.png){kind=logo}
The sum of three consecutive odd numbers is 20 more than the first number of these. What is the middle number?
Directions : Problems based on numbers
Q. 5 of Quiz-359 (Que-ID : 416)The sum of three consecutive odd numbers is 20 more than the first number of these. What is the middle number?
- 7
- 8
- 12
- 9
Ans → (d)9
Explanation →
This question is taken from this post → Math Quiz : General aptitude test on Mathematics for competitive Exams - attemp/practice
More MCQs in - Math Quiz : General aptitude test on Mathematics for competitive Exams
Directions : This Question is based on work and time problems
Q. 1 of Quiz-359 (Que-ID : 412)14 persons can complete a work in 16 days, 8 persons started the work 12 days after they started the work, 8 more peoples joined them. How many days will they take to complete the remaining work
- 12
- 8
- 9
- 5
Directions : Time and distance based problem
Q. 2 of Quiz-359 (Que-ID : 413)A train running at 90 km/hr crosses a pole in 10 seconds. What is the length of train?
- 250 m
- 150 m
- 900 m
- none of these
Directions : Unitary Method
Q. 3 of Quiz-359 (Que-ID : 414)When a 192 meter long rod is cut down into small pieces of length 3.2 meter each. Then how many pieces are available?
- 52
- 68
- 60
- 58
Directions : Problem based on ages
Q. 4 of Quiz-359 (Que-ID : 415)The ratio between the present age of Sudhir and Madan is 4:5 , if after five years the ratio of their age becomes 5 : 6, what is the present age of Sudhir?
- 18 years
- 20 years
- 22 years
- 21 years
Directions : Problems based on numbers
Q. 5 of Quiz-359 (Que-ID : 416)The sum of three consecutive odd numbers is 20 more than the first number of these. What is the middle number?
- 7
- 8
- 12
- 9
Directions : Problems based on numbers
Q. 6 of Quiz-359 (Que-ID : 417)If one-third of a number is 10 more than one fourth of the same number, what is 60% of that number?
- 144
- 24
- 18
- 72
Directions : Area
Q. 7 of Quiz-359 (Que-ID : 418)If the length and breadth of a rectangular plot are increased by 50% and 20% respectively, how many times will be the new area of the old area?
- 1 and 4/5
- 2
- 3 and 2/5
- 5 and 1/5
Directions : Area
Q. 8 of Quiz-359 (Que-ID : 419)A rectangular plot is 50m long and 20 m broad. Inside it there is a path of 7 m wide all round it. What is the area of the path?
- 216 sq. m
- 1000 sq.m
- 1216 sq. m
- 784 sq. m
Directions : Compound interest
Q. 9 of Quiz-359 (Que-ID : 420)Find the compound interest of Rs. 10,000 in 9 months at 4% per annum interest payable quarterly.
- Rs. 300
- Rs. 310
- Rs 303
- Rs 303.01
Directions : Ratio and compound ratio
Q. 10 of Quiz-359 (Que-ID : 421)Find out the ratio whose value is 2/3 and the antecedent is 18
- 18:27
- 02:03
- 20:30
- 180:270
More MCQs In - Mathematics
The average weight of A, B and C is 45 kg, that of A and B is 40 kg and B and C is 43 kg. What is the weight of B?
- 17 kg
- 26 kg
- 20 kg
- 31 kg
Consider the following:
1. Cylinder
2. Spark Plug
3. Piston
Which of the above is / are used in Diesel engine?
- Only 1 & 2
- Only 2 & 3
- Only 1 & 3
- 1, 2 & 3
In a freezer ice cubes will be formed more quickly in trays made of
- rubber
- plastic
- aluminium
- wood
What is name of South Ganga and what it its length?
- Godavari , 1465 km
- Ganga ,2525 km
- Krishna, 1300 km
- Kaveri, 765 km
If 3 men and 4 boys complete a work in 7 days and 2 men and 3 boys do the same work in 10 days . In
- 5 days
- 3 days
- 7 days
- 6 days
Which of the following has the highest frequency?
- Cosmic rays
- X-rays
- Radio waves
- Microwaves
Directions : Area
Q. 7 of Quiz- (Que-ID : 418)If the length and breadth of a rectangular plot are increased by 50% and 20% respectively, how many times will be the new area of the old area?
- 1 and 4/5
- 2
- 3 and 2/5
- 5 and 1/5
Which of the following countries occupies an important place in the world for the production of coffee?
- Malaysia
- Thailand
- Vietnam
- Brazil
The Capacity of a Communication Channel is Measured in
- Band rate
- Band width
- Data flow
- Bit capacity
Directions : Time and distance based problem
Q. 2 of Quiz- (Que-ID : 413)A train running at 90 km/hr crosses a pole in 10 seconds. What is the length of train?
- 250 m
- 150 m
- 900 m
- none of these
Directions : Choose the correct number of compounding periods
Q. 9 of Quiz- (Que-ID : 4655)In compound interest, if the interest is compounded quarterly, the number of compounding periods in a year is:
- 1
- 2
- 3
- 4
Directions : SSC 2021 question
Q. 16 of Quiz- (Que-ID : 4665)At what rate of simple interest will a sum of money double itself in 12 years?
- 8.33%
- 10%
- 12%
- 14%
Directions : Choose the correct representation of 'P' in the formula
Q. 2 of Quiz- (Que-ID : 4658)What does 'P' represent in the simple interest formula?
- Rate of interest
- Time period
- Principal amount
- Final amount
Origin of Bramaputra River
- Yamunotri Glacier, Uttarakhand
- Angsi Glacier in the Himalayas in Tibet,
- Ladakh
- Srinagar
Directions : SSC 2022 question
Q. 11 of Quiz- (Que-ID : 4664)A sum of ₹8,000 amounts to ₹9,261 in 2 years at compound interest. What is the rate of interest?
- 5%
- 7.5%
- 10%
- 12.5%
Nagarjuna Sagar Dam (1967) is situated on which River ?
- Krishna
- Kaveri
- Mahandi
- Ravi
Chlorpromazine is useful in the treatment of -
- Mental depression
- Schizophrenia
- Parkinsonism
- None of the above
Directions : Problems based on numbers
Q. 5 of Quiz- (Que-ID : 416)The sum of three consecutive odd numbers is 20 more than the first number of these. What is the middle number?
- 7
- 8
- 12
- 9
Directions : SSC 2020 question
Q. 18 of Quiz- (Que-ID : 4666)At what rate will ₹10,000 amount to ₹11,000 in 2 years at compound interest?
- 4.88%
- 5%
- 9.53%
- 10%
Origin of KRISHNA RIVER
- Western Ghats near Mahabaleshwar in Maharashtra
- Karnatak
- Kerala
- Talakaveri in Western Ghats in Karnataka
Directions : DSSSB 2021 question
Q. 15 of Quiz- (Que-ID : 4663)What is the compound interest on ₹10,000 at 5% per annum compounded yearly for 2 years?
- ₹1,000
- ₹1,025
- ₹1,050
- ₹1,100
Directions : Calculate the rate of interest
Q. 10 of Quiz- (Que-ID : 4671)A sum of money becomes ₹6,000 in 2 years and ₹6,600 in 3 years at compound interest. What is the rate of interest?
- 5%
- 10%
- 15%
- 20%
A Trader Who Marks His Good Upto 50% And Offered Discount Of 20% . What % Profit The Trade Makes After Offering The Payment?
- 15%
- 20%
- 25%
- 40%
Directions : DSSSB 2020 question
Q. 13 of Quiz- (Que-ID : 4669)In how many years will a sum of ₹1,000 become ₹1,210 at 10% compound interest per annum?
- 1 year
- 2 years
- 3 years
- 4 years
Directions : DSSSB 2021 question
Q. 20 of Quiz- (Que-ID : 4668)The compound interest on ₹4,000 for 2 years at 5% per annum compounded annually is:
- ₹410
- ₹400
- ₹420
- ₹450
Life period of whole human blood when stored at a room temperature between 4℃ to 6℃
- 21 days
- 21 months
- 2 days
- 30 days
Directions : SSC 2022 question
Q. 17 of Quiz- (Que-ID : 4657)If ₹6,000 becomes ₹7,200 in 2 years at simple interest, what is the rate of interest?
- 10%
- 12%
- 15%
- 20%
Directions : Compound interest
Q. 9 of Quiz- (Que-ID : 420)Find the compound interest of Rs. 10,000 in 9 months at 4% per annum interest payable quarterly.
- Rs. 300
- Rs. 310
- Rs 303
- Rs 303.01
Directions : Problem based on ages
Q. 4 of Quiz- (Que-ID : 415)The ratio between the present age of Sudhir and Madan is 4:5 , if after five years the ratio of their age becomes 5 : 6, what is the present age of Sudhir?
- 18 years
- 20 years
- 22 years
- 21 years
photosynthesis takes place faster in
- darkness
- red light
- white light
- yellow light
Which of the river flows toward ARABIAN SEA ?
- Ganga
- Kaveri
- Krishna
- Tapti
Directions : Calculate the simple interest for given values
Q. 3 of Quiz- (Que-ID : 4652)If the principal is ₹1,000, the rate of interest is 5% per annum, and the time is 2 years, what is the simple interest?
- ₹100
- ₹200
- ₹300
- ₹400
Directions : simple ratio problem based on 5th standard,
Q. 2 of Quiz- (Que-ID : 948)There are 120 students in a picnic tour, if ratio of girls and boys is 5 : 7 then how many boys are in this tour?
- 50
- 70
- 55
- 120
Directions : use basic concept of ratio and proportion to solve these questions
Q. 1 of Quiz- (Que-ID : 947)What number has 5 to 1 ratio to the number 10?
- 42
- 55
- 50
- 60
Directions :
A mirage is the result of -
- The reflection of light from hot sand
- Fluctuation in the refractive index of the atmosphere with height
- Increase in the refractive index of the atmosphere with height
- decrease in the refractive index of the atmosphere with height
The average of following 5 numbers is 8, find the missing number in 7, 5, 3,12,?.
- 14
- 13
- 8
- 12
Conversion of heat into electrical energy can be achieved by using a -
- ammeter
- Hydrometer
- Voltmeter
- Thermocouple
Which of the river Originates in Tibetan plateau, Enters India in J&K ?
- Ganga
- Bramaputra
- Indus
- Yamuna
Sutlej River is the the tributary of which river ?
- Indus
- Ganga
- Kaveri
- Mahanadi
Directions : This Question is based on work and time problems
Q. 1 of Quiz- (Que-ID : 412)14 persons can complete a work in 16 days, 8 persons started the work 12 days after they started the work, 8 more peoples joined them. How many days will they take to complete the remaining work
- 12
- 8
- 9
- 5
The speed of light was first measured by -
- Romer
- Newton
- Galileo
- Huygens
Directions :
The air becomes heated by-
- Conduction
- Convection
- Radiation
- Expansion
Directions : Choose the correct formula for simple interest
Q. 1 of Quiz- (Que-ID : 4659)What is the formula for calculating simple interest?
- SI = (P x R x T) / 100
- SI = (P x R) / T
- SI = (P + R + T) / 100
- SI = (R x T) / P
Directions : Choose the correct formula for compound interest
Q. 5 of Quiz- (Que-ID : 4670)What is the formula for calculating compound interest annually?
- A = P(1 + R/100)^T
- A = P + (R x T) / 100
- A = P x R x T
- A = P x T x (R / 100)
In an election between two candidates 10% voters doesn’t cast their votes and 85 votes were de
- 400
- 600
- 800
- 1000
Directions : Choose the correct base for compound interest
Q. 4 of Quiz- (Que-ID : 4662)Compound interest is calculated on:
- Principal only
- Principal and accrued interest
- Rate of interest
- Time period only
Directions : Choose the correct difference
Q. 7 of Quiz- (Que-ID : 4660)The difference between simple interest and compound interest on ₹5,000 for 2 years at a rate of 5% per annum is:
- ₹6.25
- ₹12.50
- ₹25
- ₹50