A. 12.75
B. 85
C. 204
D. None of these
Explanation:
Let the number be x. Then,
x – 2/5 x = 510
x = (510 * 5)/3 = 850
10% of 850 = 85.
Related Mcqs:
- A library has an average of 510 visitors on Sunday and 240 on other days. The average number of visitors per day in a month of 30 days beginning with a Sunday is___________?
A. 250
B. 276
C. 280
D. 285 - The Total cost of flooring a room at Rs.8.50 per square meter is Rs.510. If the length of the room is 8km it’s breadth is__________?
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B. 8.5m
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D. 12.5m - If the C.I. on a sum for 2 years at 12 1/2 % per annum is Rs. 510, the S.I. on the same sum at the same rate for the same period of time is________?
A. Rs. 400
B. Rs. 450
C. Rs. 460
D. Rs. 480 - The difference between the radi of the smaller circle and the bigger circle is 7cm and the difference between the area of two circles is 1078Sq.cm Radius of the smaller circle is_________?
A. 17.5cm
B. 21cm
C. 28cm
D. None of these - A cuboidal water tank contains 216 liters is water. Its depth is 1/3 of its length and breadth is ½ of 1/3 of the difference between length and depth. The length of the tank?
A. 2dm
B. 6dm
C. 18dm
D. 72dm - 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 - A rectangle has 15 cm as its length and 159 cm2 as its area. Its area is increased to 1 1/3 times the original area by increasing only its length its new perimeter is:_________?
A. 50 cm
B. 60 cm
C. 70 cm
D. 80 cm - The area of the square formed on the diagonal of a rectangle as its side is 108 1/3 % more than the area of the rectangle. If the perimeter of the rectangle is 28 units, find the difference between the sides of the rectangle?
A. 8
B. 12
C. 6
D. 2 - The length of a hall is (4/3) times its breadth. If the area of the hall be 300 square meters the difference between the length and breadth is__________?
A. 15m
B. 4m
C. 3m
D. None of these - Two-fifth of one-third of three-seventh of a number is 15. What is 40% of that number?
A. 72
B. 84
C. 136
D. 140
E. None of these