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Simple interest earned in 3 years =22080–17760 = Rs. 4320 Simple interest for 1 year = 4320/3 = Rs. 1440 Initial sum of money = 17760 – 1440 × 4 = Rs. 12000 So, R = 1440/12000 × 100 = 15% So, R + 3=> 15 Desired interest = [(1.15)2– 1] × 12000 = Rs. 3870
(43/10) + (4.2/1.2) - (2.7/3) = (?/4) + (2.7/6.0)
4261 + 8234 + 2913 + 8217 + 6283 + 4172 =?
(64/25)? × (125/512)?-1 = 5/8
I. 8x² - 74x + 165 = 0
II. 15y² - 38y + 24 = 0
? (1/2) = 236 – 25 × 18/2 + 396 ÷ 22
0.25 x 696 ÷ 0.3 = ?
7/11 × 1034 + 1(4/7) × 2401 = 1230 +?
60% of 3050 + 80% of 6050 =?
2(3/4) of 2880 + 54% of 7520 - ? = 302