CGL 21 Tier 2 Maths


Question 1

Sum ₹20000 and ₹40000 are given on simple interest at the rate of 10 percent and 15 percent per annum respectively for three years. What will be the total simple interest?

₹20000 तथा ₹40000 की राशियों को तीन वर्षों के लिए क्रमश: 10 प्रतिशत तथा 15 प्रतिशत प्रतिवर्ष की साधारण ब्याज दर पर
दिया गया है। कुल साधारण ब्याज कितना होगा?


Options

A

₹36000

₹36000

B

₹24000

₹24000

C

₹32000

₹32000

D

₹28000

₹28000


Solution:

Correct Answer:

B

₹24000

₹24000


Simple Interest = PRT100\frac{PRT}{100}

Total Simple Interest = 20000×10 ×3100\frac{20000 \times 10 \times 3}{100} + 40000×15 ×3100\frac{40000 \times 15 \times 3}{100} = 6000 + 18000 = ₹24000

साधारण ब्याज  = PRT100\frac{PRT}{100}

कुल साधारण ब्याज = 20000×10 ×3100\frac{20000 \times 10 \times 3}{100} + 40000×15 ×3100\frac{40000 \times 15 \times 3}{100} = 6000 + 18000 = ₹24000

 

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