66. Histogram is useful to determine graphically the value of:
(A) Mean
(B) Median
(C) Mode
(D) None of these
Answer:
Explanation:
67. The value of log₂ 16 is:
(A) 4
(B) 1/8
(C) 8
(D) 16
Answer:
Explanation:
68. A sum of Rs. 800 amounts to Rs. 920 in 3 years at simple interest. If the interest rate is increased by 3%, it would amount to how much?
(A) Rs. 700
(B) Rs. 500
(C) Rs. 200
(D) Rs. 992
Answer:
Explanation:
69. If 1.125 x 10^k = 0.001125, then the value of k is:
(A) -1
(B) 2
(C) -3
(D) -4
Answer:
Explanation:
70. The sum of the squares of three numbers is 138, while the sum of their products taken two at a time is 131. Their sum is:
(A) 40
(B) 48
(C) 60
(D) 20
Answer:
Explanation: