If 104 weekly installments are paid with a third deposit, what is the total? A. 237.55 B. 337 C. 443 D. 334 Explanation: Calculated using the installment formula.
A wheel has a radius of 14 cm. How many revolutions will it take to cover 1056 cm? A. 15 B. 10 C. 14 D. 12 Explanation: Circumference = 88 cm → 1056/88 = 12.
If the volume and surface area of a sphere are numerically equal, what is its radius? A. 1 unit B. 2 units C. 3 units D. 4 units Explanation: Equate formulas → r = 3.
If the true discount on a sum due after 2 years at 14% is Rs. 168, what is the sum? A. Rs. 768 B. Rs. 968 C. Rs. 1960 D. Rs. 2400 Explanation: Using the TD formula, the principal is Rs. 768.
If the HCF of two numbers is 5 and their LCM is 120, what is the sum of the numbers if one is 25? A. 55 B. 65 C. 35 D. 45 Explanation: Product = HCF × LCM → numbers = 25 and 30.
If the sum of two numbers is 33 and their difference is 15, what is the smaller number? A. 9 B. 12 C. 15 D. 18 Explanation: Solving the Equation yields 9.
If the sum of a number and its square is 182, what is the number? A. 15 B. 26 C. 28 D. 13 Explanation: x² + x − 182 = 0 → x = 13.
If the simple interest on Rs. 50 for 2 years at 5% per annum is given. What is the compound interest? A. Rs. 51.25 B. Rs. 52 C. Rs. 54.25 D. Rs. 60 Explanation: CI = 50(1.05)² − 50 = 5.125 ≈ Rs. 5.125, total ≈ 51.25.
If the simple interest on a sum for 3⅛ years is one-fourth of the principal, what is the rate? A. 6% B. 4% C. 8% D. 12% Explanation: SI = PRT/100 → R = 8%.
If the sides of a triangle are 26 cm, 24 cm, and 10 cm, what is its area? A. 120 cm² B. 130 cm² C. 312 cm² D. 315 cm² Explanation: Using Heron’s formula, area = 120 cm².