1.If 1+2+3+4+5+6+7+8+9+10=1000, then in how many places you need to change ‘+’ with ‘×’ to make the equality hold good?
Ans. 3
2.The average of 2, 7, 6 and x is 5, and average of 18, 1, 6, x and y is 10. Then y is
Ans. 20
3. P+Q+R+S is odd .At least how many of these is/are odd?
Ans. 1
4. If G(x) = Total number of factors of x, where x is a perfect square, then G(x) is always
Ans. An odd number
5.Pawan writes all the numbers from 100 to 999. The number of zeroes that he used is m, the number of 5’s that he uses is n and the number of 8’s that he uses is p. What is the value of n+p-m?
Ans.380
6.P is an integer P> 883. If P-7 is a multiple of 11, then the largest number that that will always divide (P+4) (P+15) is
Ans. 242
7. What is the highest power of 82 contained in 83!-82!?
Ans. 164
8.If a five digit natural number is added to a number made by putting the digits of the original number in reverse order, the sum will always be divisible by
Ans. 101
9.If n- digit natural number is added to a number made by putting the digits of the original number in reverse order the sum is always divisible by k where n is an even number, then k must be a multiple of
Ans. 11
10.Amit takes a loan from a bank at 18% Cl for two years. At the end of the period, he pays back Rs. 6,962. What was the loan amount?
Ans. 5,000
11. Which of the following assures the best the best return for a sum of Rs. 25,000 ??
Ans. 2years at 20% Cl
12.Madhu took a loan of Rs. 20,000 at 5% SI for 2years and invested at 4%Cl for the same period. What is her gain/loss in the transaction ??
Ans. Rs. 368 loss
2.The average of 2, 7, 6 and x is 5, and average of 18, 1, 6, x and y is 10. Then y is
Ans. 20
3. P+Q+R+S is odd .At least how many of these is/are odd?
Ans. 1
4. If G(x) = Total number of factors of x, where x is a perfect square, then G(x) is always
Ans. An odd number
5.Pawan writes all the numbers from 100 to 999. The number of zeroes that he used is m, the number of 5’s that he uses is n and the number of 8’s that he uses is p. What is the value of n+p-m?
Ans.380
6.P is an integer P> 883. If P-7 is a multiple of 11, then the largest number that that will always divide (P+4) (P+15) is
Ans. 242
7. What is the highest power of 82 contained in 83!-82!?
Ans. 164
8.If a five digit natural number is added to a number made by putting the digits of the original number in reverse order, the sum will always be divisible by
Ans. 101
9.If n- digit natural number is added to a number made by putting the digits of the original number in reverse order the sum is always divisible by k where n is an even number, then k must be a multiple of
Ans. 11
10.Amit takes a loan from a bank at 18% Cl for two years. At the end of the period, he pays back Rs. 6,962. What was the loan amount?
Ans. 5,000
11. Which of the following assures the best the best return for a sum of Rs. 25,000 ??
Ans. 2years at 20% Cl
12.Madhu took a loan of Rs. 20,000 at 5% SI for 2years and invested at 4%Cl for the same period. What is her gain/loss in the transaction ??
Ans. Rs. 368 loss
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How do you find the answer for the first question
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