Question
In each of the following questions, a question is
followed by information given in three statements. You have to study the question along with the statement and decide the information given in which of the statements is necessary to answer the question. What will be the compound interest earned on a sum in two years? I. The simple interest on the same amount at the same rate of interest in two years is Rs. 800. II. The amount becomes more than double at compound interest in 10 years. III. The simple interest on the same amount at the same rate of interest in three years is Rs. 1,200.Solution
From (I) & (III), SI for 1 year = Rs. 400 ∴ 400 = P × R × 1/100 From this we cannot get the answer and also statement II is not sufficient to answer the question.
Sum of digits of a two-digit number is 9. When 27 is subtracted from the number, its digits get interchanged. Find the original number.
Find the sum of the first 15 natural numbers.
- Find the remainder when the number (289n + 119) is divided by 17.
Find the sum of the first 10 natural numbers.
If the 6-digit number '5a1897' is divisible by '11', determine the value of 'a'.
A waiter income consist of his salary and tips. During one week his tips were 4/5 of his salary. What portion of his income came from tips?
Christina spends half of her salary and saves the other half. If she spends ₹ 40,000 monthly, what is her annual savings?
If '3849x' is a five digit number which is divisible by 91, then find the value of 'x'.
- What should be subtracted from 64 and 40 to make the ratio of resulting numbers 3:1?