📊 Math
Q. How long will it take for ₹6000 to yield ₹720 as SI at 6% per annum?
  • (A) 2 years
  • (B) 3 years
  • (C) 4 years
  • (D) 5 years
💬 Discuss
✅ Correct Answer: (A) 2 years

Explanation: (P×R×T)/100 = 720 → (6000×6×T)/100 = 720 → T = 2 years.

📊 Math
Q. Selling price is ₹1200 and gain is 20%. What is the cost price?
  • (A) ₹900
  • (B) ₹950
  • (C) ₹1000
  • (D) ₹1100
💬 Discuss
✅ Correct Answer: (C) ₹1000

Explanation: Cost price = 1200 / 1.20 = 1000.

📊 Math
Q. The sum of first 15 natural numbers is:
  • (A) 100
  • (B) 110
  • (C) 120
  • (D) 130
💬 Discuss
✅ Correct Answer: (C) 120

Explanation: n(n+1)/2 = 15×16/2 = 120.

📊 Math
Q. What is the compound interest on ₹2000 at 10% per annum for 2 years?
  • (A) ₹400
  • (B) ₹410
  • (C) ₹420
  • (D) ₹440
💬 Discuss
✅ Correct Answer: (C) ₹420

Explanation: CI = 2000(1.1² - 1) = 2000(1.21 - 1) = 420.

📊 Math
Q. A man spends 30% of his income and saves ₹2800. What is his income?
  • (A) ₹3500
  • (B) ₹4000
  • (C) ₹4500
  • (D) ₹5000
💬 Discuss
✅ Correct Answer: (B) ₹4000

Explanation: Saves 70% → 70% = 2800 → Income = 2800 / 0.7 = 4000.

📊 Math
Q. The value of 18% of 750 is:
  • (A) 125
  • (B) 135
  • (C) 140
  • (D) 150
💬 Discuss
✅ Correct Answer: (B) 135

Explanation: (18/100) × 750 = 135.

📊 Math
Q. What is the median of the numbers: 3, 7, 9, 11, 15?
  • (A) 7
  • (B) 8
  • (C) 9
  • (D) 11
💬 Discuss
✅ Correct Answer: (C) 9

Explanation: Middle value after sorting = 9.

📊 Math
Q. Which of the following fractions is the largest?
  • (A) 5/9
  • (B) 7/12
  • (C) 11/18
  • (D) 9/14
💬 Discuss
✅ Correct Answer: (A) 5/9

Explanation: Decimals: 5/9 ≈ 0.555 is highest among given options.

📊 Math
Q. What is the area of a triangle with base 12 cm and height 8 cm?
  • (A) 42 sq.cm
  • (B) 46 sq.cm
  • (C) 48 sq.cm
  • (D) 50 sq.cm
💬 Discuss
✅ Correct Answer: (C) 48 sq.cm

Explanation: (1/2 × base × height) = (1/2 × 12 × 8) = 48.

📊 Math
Q. The LCM of 10, 14, and 20 is:
  • (A) 60
  • (B) 70
  • (C) 140
  • (D) 210
💬 Discuss
✅ Correct Answer: (C) 140

Explanation: LCM of 10, 14, 20 = 140.