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143 + 163 + 183 + .... + 303 =8(73 + 83 + 93 + …. + 153) Sum of n cubes = (n(n + 1)/2)2 for n=6 we have 212 = 441 for n=15 we have1202 = 14400 Difference=14400-441 =13959 Therefore 8*13959=111672
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Three years from now, Aman's age will be 80% greater than what it was five years ago. The average of Aman's current age and Bishn...
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The ratio of the present ages of Ginni and Binni is 8:5 respectively. Ginni is ‘n’ years older than Binni. If after 5 years, the ratio of the ages o...
The current age ratio of Akash to karan is 7:9, and the current age ratio of karan to Chetna is 3:5. If the average of their present ages is 62 years, d...
The current ages of A, B, and C are in the ratio of 4:5:6. Additionally, D's current age is 10 years more than the average age of A, B, and C. The total...
The total age of A, B and C seven years hence will be 85 years. Find the age of C seven years hence, if the present age of A and B is 30 years and 22 ye...
