Question
The compound interest received on investing Rs. 4000 for
2 years at a compound interest of 20% p. a compounded annually is how much percentage more than the simple interest received on investing Rs. 3200 for 2 years at a simple interest of 20% p. a?Solution
solution -Compound interest received on investing Rs.4000 = 4000 × {1 + (20/100)} ² – 4000 = 4000 × 36/25 – 4000= Rs. 1760 Simple interest received on investing Rs.3200  = 3200 × 2 × 20 ÷ 100 = Rs. 1280 so required percentage ATQ-(1760-1280) ×100/1280 = (480×100)/1280 =300/8=37.5%
What value should come in place of (?) question mark in the given expression.
17 × 15 − 96 ÷ 8 + 6² = ?
Evaluate: 144 ÷ 12 × 6 + 35 − 4²
What will come in the place of question mark (?) in the given expression?
21 × 18 + ? – 19 × 15 = 25 × 24
2916 ÷ 54 = ? + 27
√324 + √484 + 63 = ?2Â
What will come in the place of question mark (?) in the given expression?
{(2/15) + (12/25)} of 375 + 190 = ?% of 375
- What will come in place of the question mark (?) in the following questions?
100−[20+4×5]=? (72 × 52 + 1555 )/(79+60) = 2000 ÷ ?
72 × 2 = ? + 104 – 14
672 ÷ 28 × 24 + 363 – 309 =?
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