4 girls can do a work= 8day 1 girl can do a work = 8×4 =32days 3 boys can do the same work= 9days 1boy can do a work =9×3 =27days 7men can do a work =2days 1 man can do a work =2×7=14days 5 women can do a work = 4 days 1 woman can do a work = 4×5=20days Girls will take the most days. Hence girls are the least efficient.
A tank whose length, width and height are 19 metres, 14 metres and 10 metres respectively is completely filled with juice. If the juice costs Rs.5/m
The surface area of the two spheres are in the ratio9:16. Their volumes will be in the ratio
Suresh started his journey form P to Q by his bike at the speed of 40 km/h and then, the same distance he travelled on his foot at the speed of 10 km/h ...
A rod is in the form of a circle of radius 35 cm. What is the side of a square into which it can be bent?
Which one among the following is the smallest?
The perimeter of the rectangle is 50 cm and the breadth is 4 times the length. Find the area of rectangle.
The length, breadth and height of a storeroom are 14m, 9m and 10m respectively. If each box occupies 60 m3 of space, then how many boxes can ...
A rectangle has a length to breadth ratio of 7:5. The length is increased by 15% without any change to the breadth, resulting in an 84 m² increase in t...
The cost of fencing a rectangular field at the rate of Rs. 5/metre is Rs. 330. If the length of the field is 11 metres more than its breadth, then find ...
The perimeter of 3 squares is 28 cm, 36 cm and 48 cm respectively. What will be the area of the square having perimeter equal to sum of edges of 3 squar...
