General Aptitude Questions for Competitive Exams

if
(A) 110
(B) 15
(C) 105
(D) -10
Correct Answer : A
Raju, Shobha and Mohan can do a work in 15 days, 20 days and 25 days respectively. In how many days, will the work be finished, if they do it on alternate days?
(A)
(B)
(C)
(D)
Correct Answer : D
What is the value of a2+b2+c2-2ab-2bc+2ca?
(A) (2a + b + c)2
(B)
(a − b + c)2
(C)
(a − b − 2c)2
(D)
(a + 2b − c)2
Correct Answer : B
△ABC is right-angle triangle at B and tan A =
(A)
(B)
(C)
(D)
Correct Answer : B
if
(A) -256
(B) -512
(C) 256
(D) 512
Correct Answer : B
(A)
(B)
(C)
(D)
Correct Answer : D
If two circles of radii 18 cm and 8 cm touch externally, then the length of a direct common tangent is:
(A) 24 cm
(B) 16 cm
(C) 14 cm
(D) 12 cm
Correct Answer : A
A person deposited ₹15,600 in a fixed deposit at 10% per annum simple interest. After every second year he adds his interest earned to the principal. The interest at the end of 4 years is:
(A) ₹6,655
(B) ₹3,744
(C) ₹6,864
(D) ₹3,975
Correct Answer : C
A watch is sold at a profit of 25%. Had it been sold for Rs.120 less then, there would have been a less then of 15%. What is the cost price in rupees?
(A) Rs.400
(B) Rs.350
(C) Rs.200
(D) Rs.300
Correct Answer : D
In a proportion, the 1st , 2nd and 4th terms are 51, 68 and 108, respectively. What is the 3rd term?
(A) 82
(B) 81
(C) 83
(D) 84
Correct Answer : B