Questionaries of General Maths for Competitive Exams
Here are some general maths questions to help you prepare for the several exams:-
1-The greatest number, which when subtracted from 5834, gives a number exactly divisible by each of 20, 28, 32, and 35, is:-
(a) 1120
(b) 4714
(c) 5200
(d) 5600
Answer: (b) 4714
2-A number, when divided by 114, leaves a remainder of 21. If the same number is divided by 19, then the remainder will be:-
(a) 1
(b) 2
(c) 7
(d) 17
Answer: (a) 1
3-A manufacturer marked an article at Rs. 50 and sold it allowing a 20% discount. If his profit was 25%, then the cost price of the article was:-
(a) Rs. 40
(b) Rs. 35
(c) Rs. 32
(d) Rs. 30
Answer: (c) Rs. 32
4-At what rate percent per annum will a sum of Rs. 1,000 amount to Rs. 1,102.50 in 2 years at compound interest?
(a) 5%
(b) 5.5%
(c) 6%
(d) 6.5%
Answer: (b) 5.5%
5-In how many years will a sum of Rs. 800 at 10% per annum compound interest, compounded semiannually, become Rs. 926.10?
(a) 1.5 years
(b) 1.67 years
(c) 2.33 years
(d) 2.5 years
Answer: (a) 1.5 years
6-A copper wire of length 36 m and diameter 2 mm is melted to form a sphere. The radius of the sphere (in cm) is:-
(a) 2.5
(b) 3
(c) 3.5
(d) 4
Answer: (b) 3
7-The unit digit in the product (122 \times 173) is:-
(a) 2
(b) 4
(c) 6
(d) 8
Answer: (c) 6
8-A copper wire is bent in the form of an equilateral triangle and has an area of (121 \sqrt{3} , \text{cm}^2). If the same wire is bent into the form of a circle, the area (in cm²) enclosed by the wire is (Take (\pi = \frac{22}{7})):-
(a) 364.5
(b) 693.5
(c) 346.5
(d) 639.5
Answer: (b) 693.5
9-At present, the ratio of the ages of Maya and Chhaya is 6:5 and fifteen years from now, the ratio will get changed to 9:8. Maya’s present age is:-
(a) 21 years
(b) 24 years
(c) 30 years
(d) 40 years
Answer: (c) 30 years
10-Which one of the following will completely divide (5^{71} + 5^{72} + 5^{73})?
(a) 150
(b) 160
(c) 155
(d) 30
Answer: (b) 160
Questionaries of General Maths for Competitive Exams
11-A student was asked to divide a number by 6 and add 12 to the quotient. He, however, first added 12 to the number and then divided it by 6, getting 112 as the answer. The correct answer should have been:-
(a) 124
(b) 122
(c) 118
(d) 114
Answer: (b) 122
12-The difference between the compound interest and simple interest for the amount Rs. 5,000 in 2 years is Rs. 32. The rate of interest is:-
(a) 5%
(b) 8%
(c) 10%
(d) 12%
Answer: (a) 5%
13-The sum of the first 20 terms of the arithmetic series 2, 5, 8, 11, … is:-
(a) 620
(b) 640
(c) 660
(d) 680
Answer: (c) 660
14-If the radius of a circle is increased by 50%, its area is increased by:-
(a) 50%
(b) 100%
(c) 125%
(d) 150%
Answer: (c) 125%
15-The average of 20 numbers is zero. Of them, at the most, how many may be greater than zero?
(a) 0
(b) 1
(c) 10
(d) 19
Answer: (d) 19
16-If the sum of the squares of three consecutive positive integers is 365, then the middle integer is:-
(a) 10
(b) 11
(c) 12
(d) 13
Answer: (b) 11
17-A train 300 meters long is running at a speed of 90 km/hr. How long will it take to cross a platform 200 meters long?
(a) 10 seconds
(b) 15 seconds
(c) 20 seconds
(d) 25 seconds
Answer: (b) 20 seconds
18-The ratio of the ages of two persons is 4:5 and the difference between their ages is 10 years. The sum of their ages is:-
(a) 40 years
(b) 45 years
(c) 50 years
(d) 55 years
Answer: (c) 50 years
19-If the cost price of 12 pens is equal to the selling price of 8 pens, the gain percent is:-
(a) 25%
(b) 50%
(c) 75%
(d) 100%
Answer: (b) 50%
Questionaries of General Maths for Competitive Exams
20-If a person walks at 4 km/hr, he misses a train by 10 minutes. If he walks at 6 km/hr, he reaches the station 5 minutes before the departure of the train. The distance (in km) between his house and the station is:-
(a) 2
(b) 3
(c) 4
(d) 5
Answer: (b) 3
21-The least number which when divided by 20, 25, 35, and 40 leaves remainders 14, 19, 29, and 34 respectively is:-
(a) 1394
(b) 1494
(c) 1594
(d) 1694
Answer: © 1594
22-The average of 11 results is 50. If the average of the first six results is 49 and that of the last six is 52, the sixth result is:-
(a) 48
(b) 50
(c) 52
(d) 56
Answer: (d) 56
23-If the length of a rectangle is increased by 20% and the breadth is decreased by 20%, the area of the rectangle:-
(a) Decreases by 4%
(b) Increases by 4%
(c) Remains unchanged
(d) Decreases by 1%
Answer: (a) Decreases by 4%
24-The sum of the ages of 5 children born at intervals of 3 years each is 50 years. What is the age of the youngest child?
(a) 4 years
(b) 5 years
(c) 6 years
(d) 7 years
Answer: (b) 5 years
Questionaries of General Maths for Competitive Examinations | General maths | Competitive Examinations Questions
