A general aptitude test on mathematics included some common MCQs from topics like profit and loss, percentage, ratio, compound ratio, Problem-based on numbers, problem-based on ages, interest, etc. suitable for SSC, DSSSB, Banking, railways, and other state govt. exam.
This is our first test on mathematics. More tests (both short and full-length tests) will be prepared soon. You can attempt this test from the test submission platform (CBT like)(no need to login) and check your result after attempting the test. or you can also solve questions without attempting the whole test just scroll down, choose a question, and solve it. check your answer and explanation by clicking on the view button situated below the last option.
To attempt this test and check your score click on the attempt test button below.
This is our first test on mathematics. More tests (both short and full-length tests) will be prepared soon. You can attempt this test from the test submission platform (CBT like)(no need to login) and check your result after attempting the test. or you can also solve questions without attempting the whole test just scroll down, choose a question, and solve it. check your answer and explanation by clicking on the view button situated below the last option.
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Direction: This Question is based on work and time problems
Q.1.
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
Answer:
(b) 8
Explanation: 14 persons complete in 16days = 1 work, =>8 persons complete in 12 days = (1x8)/14 x 12/16 = 3/7 , =>remaining work = 1- 3/7 = 4/7 and total no. of persons = 8+8 , 14 persons do 1 work in =16 day, 16 persons do 4/7 work in = 16 x14 /16 x 4/7 = 8 days Ans.
Explanation: 14 persons complete in 16days = 1 work, =>8 persons complete in 12 days = (1x8)/14 x 12/16 = 3/7 , =>remaining work = 1- 3/7 = 4/7 and total no. of persons = 8+8 , 14 persons do 1 work in =16 day, 16 persons do 4/7 work in = 16 x14 /16 x 4/7 = 8 days Ans.
Direction: Time and distance based problem
Q.2.
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
Answer:
(a) 250 m
Explanation: speed of train = Length of train / time taken to cross
Explanation: speed of train = Length of train / time taken to cross
Direction: Unitary Method
Q.3.
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
Answer:
(c) 60
Explanation: required no. of pieces = 192/3.2 = 60
Explanation: required no. of pieces = 192/3.2 = 60
Direction: Problem based on ages
Q.4.
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
Answer:
(b) 20 years
Direction: Problems based on numbers
Q.5.
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
Answer:
(d) 9
Q.6.
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
Answer:
(d) 72
Direction: Area
Q.7.
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
Answer:
(a) 1 and 4/5
Q.8.
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
Answer:
(d) 784 sq. m
Direction: Compound interest
Q.9.
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
Answer:
(d) Rs 303.01
Direction: Ratio and compound ratio
Q.10.
Find out the ratio whose value is 2/3 and the antecedent is 18
- 18:27
- 02:03
- 20:30
- 180:270
Answer:
(a) 18:27
Explanation: The two quantties compared in a ratio is called its items. The first term is called antecedent, the second the consequent.
Explanation: The two quantties compared in a ratio is called its items. The first term is called antecedent, the second the consequent.
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