76. What is the highest common factor of 36 and 84?
(A) 4
(B) 6
(C) 12
(D) 18
Answer:
Explanation:
77. Divide 0.81 by 0.09 is equal to
(A) 0.9
(B) 0.09
(C) 0.009
(D) 9
Answer:
Explanation:
78. A man took loan from a bank at the rate of 12% p.a. simple interest rate. After 3 years he had to pay Rs 5400 interest only for the period. The principal amount borrowed by him was:
(A) Rs 15000
(B) Rs 10000
(C) Rs 20000
(D) Rs 5000
Answer:
Explanation:
79. A student divided a number by 1/4 when he is required to multiply it by 4. Calculate the percentage of error in his result.
(A) 0 %
(B) 100%
(C) 25%
(D) 50%
Answer:
Explanation:
80. A train covers a distance of 12 kms in 10 minutes. If it takes 6 seconds to pass a telegraph post, then the length of train is,
(A) 140 m
(B) 120 m
(C) 100 m
(D) 200 m
Answer:
Explanation: