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62 × 2.5 = 155 Similarly, 82 × 2.5 = 205
Two years from now, the grandson's age will be 25% of the grandfather's age. Three years ago, the grandfather's age was five times the grandson's age. D...
The highest common factor (HCF) and the least common multiple (LCM) of two numbers add up to 680. Additionally, the LCM is 84 times the HCF. If one of t...
The average of 13 natural numbers is 45. If the average of first 7 numbers is 35 and the average of last seven numbers is 55, then find the value of num...
The given equation has been solved on the basis of a certain rule. Find the correct answer for the unsolved equation on that basis.
If P × ...
Vinay invested Rs. 9,500 in scheme 'A' at a simple interest rate of 12% per annum and Rs. 8,000 in scheme 'B' at a simple interest rate of 20% per annum...
An article is sold at a profit of 30%. Let 'a' (in Rs.) represent the cost price, 'b' (in Rs.) the selling price, and 'c' (in Rs.) the profit earned. Gi...
Simplify the following expression:
288 ÷ 12 x 6 + 56 x √4 - 676 ÷ 4
The square of a number is reduced by 26 times the number, and then 169 is added to the result. If the final value is 0, what is the number?
The diameter of the base of a right circular cone is 4.2 cm and its height is 10 cm. calculate the volume of the cone.
If 4539 = 540, 758 = 280, and 3745 = 420, then 2788 =___.