Aptitude - Arithmetical Ability

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43.

The ratio of the volume of a cube to that of a sphere which will fit insidethe cube is ?                          
A. 4:π B. 6:π
C. 4:3π D. 2:π



44.

Pranav spends 30% of his monthly income on food articles, 40% of the remaining on conveyance and clothes and saves 50% of the remaining. If his monthly salary is Rs.18400, how much money does he save every month??                          
A. Rs.3864 B. Rs.4864
C. Rs.5864 D. Rs.3844



45.

The difference between the length and breadth of a rectangle is 23 m. If its perimeter is 206 m, then its area is:?                          
A. 1520 m2 B. 2420 m2
C. 2480 m2 D. 2520 m2




46.

Consider the following figure.                         
A. 125o B. 55o
C. 155o D. 122o



47.

Find the area of a square, the product of whose diagonals is 66 cm2?                          
A. 30 cm2 B. 33 cm2
C. 36 cm2 D. 42 cm2



48.

The length of a rectangle is halved, while its breadth is tripled. What is the percentage change in area??                          
A. 25% increase B. 50% increase
C. 50% decrease D. 75% decrease



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