Q. 81. If the length of hypotenuse of a right angled triangle is 5cm and its area is 6 sq.cm, then the length of the remaining sides are:
(A) 1 cm, 3 cm
(B) 3 cm, 2 cm
(C) 3 cm, 4 cm
(D) 4 cm, 2 cm
Answer:
Explanation:
Q. 82. A cone and a cylinder are of the same height. Their radii of the bases are in ratio of 2:1. The ratio of their volumes is
(A) 2:1
(B) 3:2
(C) 4:3
(D) 1:3
Answer:
Explanation:
Q. 83. Solve: 147 x ? = 6909
(A) 37
(B) 47
(C) 67
(D) 27
Answer:
Explanation:
Q. 84. Evaluate: 777777 ÷ 11 = ?
(A) 7077
(B) 70707
(C) 7707
(D) 7007
Answer:
Explanation:
Q. 85. What is the smallest number to be added to 269 to make it a perfect square?
(A) 31
(B) 16
(C) 7
(D) 20
Answer:
Explanation: