Multiple Multiple Choice Questions (MCQ) on Mathematics.
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16-If “+” means “-“, “-“ means “x” means “/” and “/” means “+”, then
2 – 50 + 40 x 10 / 4 = ?
(A) 104
(B) 100
(C) 98
(D) 110
17-In the below series, which number comes next?
1, 3, 7, 15, 31, 63, ?
(A) 120
(B) 126
(C) 127
(D) 94
18-A goods train runs at the speed of 72 kmph and crosses a 250 m long platform in 26 seconds. What is the length of the goods train?
(A) 230 m
(B) 240 m
(C) 260 m
(D) 270 m
19-The cost price of 20 articles is the same as the selling price of x articles. If the profit is 25%, then the value of x is
(A) 15
(B) 16
(C) 18
(D) 25
20-What will come in the place of question mark (?) in the following series?
2, 5, 7, 12, 19, 31, 50, ?
(A) 81
(B) 74
(C) 69
(D) none of the above
21-In an equilateral triangle has the height of 12 cm then what is the area of the triangle?
(A) 42√3 c.c.
(B) 48√3 c.c.
(C) 24√3 c.c.
(D) 34√3 c.c.
22-The monthly income and monthly expenditure ratio of A and B are 5:6 and 4:5 respectively. If both of them can have Rs. 500 as monthly savings, then what is the income of A?
(A) Rs. 3,000
(B) Rs, 500
(C) Rs. 5,000
(D) Rs. 2,500
23-Find out the least number which when multiplied by 45, the result becomes a perfect square.
(A) 9
(B) 15
(C) 5
(D) None of the above
24-(175)2 – (75)2 = ?
(A) 5000
(B) 20000
(C) 25000
(D) None of the above
25-If a = (√3+1)/(√3-1) and b = (√3-1)/(√3+1) then (a2+ab+b2)/(a2-ab+b2) = ?
(A) 15/11
(B) 17/11
(C) 19/11
(D) 1
26- If the fractions 3/5, 2/3, ¼, 5/7 and 6/11 are arranged in ascending order of their values, then which one will be the fourth
(A) 3/5
(B) 1/4
(C) 5/7
(D) 2/3
27- 1 hectare = ?
(A) 1000 m2
(B) 10000 m2
(C) 100000 m2
(D) None of the above
28-The sum of two numbers is 24 and the sum of their squares is 386, then one number is
(A) 17
(B) 19
(C) 9
(D) 11
29- A wheel rotates 15 times each minute. How many degrees will it rotate in 12 seconds of time?
(A) 360°
(B) 720°
(C) 1080°
(D) None of the above
30-If f(n) = n5 – n, n ϵ N, then f(n) is divisible by
(A) 25
(B) 30
(C) 35
(D) 32
ANSWERS:
16-(B), 17-(C), 18-(D), 19-(B), 20-(A), 21-(C), 22-(D), 23-(C), 24-(C), 25-(D), 26-(D), 27-(B), 28-(B), 29-(C), 30-(B)
