Multiple Choice Questions
1.
The principal which gives ₹ 1 interest per day at a rate of 5% simple interest per annum is
₹ 5000
₹ 7300
₹ 36500
₹ 36500
B.
₹ 7300
100 SI = P x R x T
100 x 1 = P x 5 x (1/365)
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2.
A shopkeeper sold an item at 10% loss after giving a discount equal to half of the marked price. Then the cost of price is
C.
Let the marked price be Rs. 100
Discount = 50% on 100 = Rs. 50
S.P.(Selling Price) = Rs. (100 - 50) = Rs
50
Now,
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3.
A sum of Rs. 4000 is lent out in two parts, one at 8% simple interest and the other at 10% simple interest. If the annual interest is Rs. 352. The sum lent at 8% is
Rs. 2900
Rs. 2200
Rs. 2400
Rs. 2400
C.
Rs. 2400
By Shortcut Method:
Required solution = 8% on 4000
= Rs.320
= 10% on 4000 = Rs.400
Now, Rs (352 - 320) = Rs 32 ...(i)
Rs (400 - 352) = Rs. 48 ...(ii)
Take the opposite ratios from equation (i) and (ii),
i.e. Rs .48 : Rs 32
3 : 2
Thus, Sum lent at 8% is
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4.
If the difference of the compound interest and the simple interest on a sum of money for 3 years is Rs. 186. Find the sum of money, if the rate of interest in both case be 10%.
Rs. 5500
Rs. 7200
Rs. 6500
Rs. 6500
D.
Rs. 6500
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5.
If the simple interest on ₹ x at a rate of a% for m years is same as that on ₹ y at rate of a2% for m2 years, then x : y is
m : a
am : 1
-
-
B.
am : 1
According to question
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6.
Prakash lends a part of ₹20,000 at 8% simple interest and remaining at
₹ 8,000
₹ 12,000
₹ 6,000
₹ 6,000
A.
₹ 8,000
Shortcut
Method:
If he gives the whole amount of ₹ 20,000 at 8% simple interest,
so, the interest would be (8% on ₹ 20,000)= ₹ 1600
If he gives the whole amount of ₹ 20,000 at
so the interest would be (
The total income given is ₹ 800
Now,
Ratios of sum lent at 8% to sum lent at
Sum lent at 8%:
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7.
The simple interest on ₹2,000/- for 2 years at ₹75 per thousand per annum will be
₹150/-
₹300/-
₹600/-
₹600/-
B.
₹300/-
Required interest =
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8.
The ratio of the principal and its yearly amount is 8 : 9. What is the rate of simple interest per annum?
12%
-
10%
10%
B.
Principal = 8x
Amount = 9x
Interest = 9x - 8x =
x
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9.
A sum of ₹ 3,000/- yields an interest of ₹ 1,080/- at 12% per annum simple interest in how many years?
4 years
3 years
5 years
5 years
B.
3 years
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10.
Ram deposited a certain sum of money in a compound at 12% per annum simple interest for 4 yr and deposited equal amount in fixed deposit in a bank for 5 yr at 15% per annum simple interest. If the difference in the interest from two sources is ₹ 1350, then the sum deposited in each case is
₹ 4000
₹ 5000
₹ 6500
₹ 6500
B.
₹ 5000
Let the principal amount is ₹P. According to the question,
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