- 能力倾向有用资源
- 能力倾向 - 问答
能力倾向 - 简单利息在线测验
以下测验提供了与简单利息相关的多项选择题 (MCQ)。您需要阅读所有给出的答案并点击正确的答案。如果您不确定答案,可以使用显示答案按钮查看答案。您可以使用下一题按钮在测验中查看新的一组问题。
答案:D
解释
S.I for 2 years = Rs. (5680-5200) = Rs. 480 S.I for 1 year = Rs. (480/2) = 240 S.I for 5 year = (240*5) = 1200 Rs. Principle = Rs. (5200-1200) = 4000. Rate = (1200*100/4000*5) %p.a. = 6% p.a.
答案:B
解释
Let the sum be Rs. x then, S.I = Rs. (3x-x) = rs. 2x ∴ x*R/100*10= 2x = R = 20% p.a.
答案:D
解释
Let the sum be Rs. x, Rate = R% P.a., time = 25/2 years. S.I = Rs. 25x/16 R = 100*25x/16 *1/x* 1/R => R2=2500/16 = R= 25/2 Hence, Rate = 25/2%
第 4 题 - 一笔 10000 卢比的贷款,一部分按 8% 利率,其余部分按 10% 年利率贷款。如果一年中的平均利率为 9.2%,则按 10% 利率贷款的金额是多少?
答案:A
解释
Ratio of investments = 0.8: 1.2: = 2:3 Money at 10% = Rs. (10000*3/5) = Rs. 6000>
答案:D
解释
Rs. 10+ S.I on Rs. 10 for 11 months. = Rs. 11+S.I. on Re 1 for (1+2+3+??+10) months. => Rs.10 +S.I on Re 1 for 110 months = Rs. 11 + S.I on Re 1 for 55 months => S.I. on Re 1 for 55 months = Re 1. ∴ Rate = (100*12/1*55) % = 240/11 %.
答案:C
解释
If Principal = Rs x, then I = 2x/5. Rate = 8 % Time = I*100/P*R = (2x/5)*100/x*8 = 5 years
第 7 题 - 一笔钱在 5 年后达到 9800 卢比,在之后再过 8 年达到 12005 卢比,利率相同,按简单利息计算。年利率是多少?
答案:A
解释
S.I. for 3 year = Rs. (12005 - 9800) = 2205 S.I. for 5 years = Rs. (2205 x 5⁄3) = 3675 Therefore Principal = (9800 - 3675) = 6125 Hence, Rate = (100 x 3675⁄6125 x 5) = 12%
第 8 题 - 100000 卢比的资金投资于两种类型的股票。第一种股票的年收益率为 9%,第二种股票的年收益率为 11%。如果一年结束时的总利息为 93⁄4,则每种股票的投资金额是多少?
答案:A
解释
Let the sum invested at 9% be Rs. z and that invested at 11% be Rs. ( 100000 - z ). Then, z x 9 x 1⁄100 + (100000 - z) x 11 x 1⁄100 = 100000 x 39⁄4 x 1⁄100 = 9z + 1100000 - 11z⁄100
39000⁄4 = 9750 2z = (1100000 - 975000) = 125000 x = 62500 sum invested at 9% = Rs. 62500 sum invested at 11% = Rs. (100000 - 62500) = 37500
第 9 题 - 一个人总共投资了 2600 卢比,分别按 4%、6% 和 8% 的年简单利息投资。一年结束时,他在这三种情况下获得了相同的利息。按 4% 利率投资的金额是多少?
答案:A
解释
Let the parts be a,b and [2600 - (a + b)] then, a x 4 x 1⁄100) = (b x 6 x 1⁄100) = ([2600 - ( a + b)] x 8 x 1⁄100) = b⁄a = 4⁄6 = 2⁄3 or y = 2a⁄3 So, a x 4⁄100 (7800 - 5a) x 8⁄3 = 52a = (7800 x 8)
a = 7800 x 8⁄52 = 1200
aptitude_simple_interest.htm
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