Top 10 Maths MCQ questions for SSC CGL examinations
1. What is the value of 2 + 2 x 2?
a) 4
b) 6
c) 8
d) 10
2. The sum of the digits of a two-digit number is 9. If the digits are reversed, the number decreases by 45. What is the number?
a) 36
b) 45
c) 54
d) 63
3. If x + (1/x) = 3, then what is the value of x^3 + (1/x^3)?
a) 9
b) 18
c) 27
d) 36
4. If the length of a rectangle is increased by 20% and the width is decreased by 10%, what is the percentage change in its area?
a) 10%
b) 8%
c) 6%
d) 4%
5. The average of 5 consecutive even numbers is 24. What is the largest number?
a) 26
b) 28
c) 30
d) 32
6. What is the value of (0.5)^3 / (0.25)^2?
a) 0.5
b) 1
c) 2
d) 4
7. A train travels a distance of 500 km at a constant speed. If the speed had been 10 km/hour less, it would have taken 2 hours longer. What is the original speed of the train?
a) 50 km/hour
b) 60 km/hour
c) 70 km/hour
d) 80 km/hour
8. What is the value of (sin 30°)^2 + (cos 30°)^2?
a) 0
b) 1/2
c) 1
d) 2
9. The sum of three consecutive odd numbers is 75. What is the middle number?
a) 23
b) 25
c) 27
d) 29
10. If a discount of 20% is given on an item, its selling price is Rs. 800. What was the original price?
a) Rs. 960
b) Rs. 1,000
c) Rs. 1,040
d) Rs. 1,200
11. The ratio of the ages of two persons is 3:5. If the sum of their ages is 64 years, what is the age of the younger person?
a) 18 years
b) 24 years
c) 30 years
d) 40 years
12. If a box contains 12 red balls, 8 green balls, and 10 blue balls, what is the probability of drawing a green ball?
a) 1/5
b) 2/5
c) 4/5
d) 8/15
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