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Practice No. System Questions and Answers

What is the average of first 26 multiples of 2.6?
What is the average of first 32 multiples of 3.2?
What is the average of first 39 multiples of 3.9?
What is the average of first 28 multiples of 2.8?
What is the average of first 34 multiples of 3.4?
What is the average of first 24 multiples of 2.4?
Consider the following statement 1.There is a finite number of rational numbers between any two rational numbers. 2. There is an infinite number of rat...
If x varies inversely as (y2 – 1) and is equal to 40 when y = 5 then the value of x and y = 7 is
For a data set value of median and mean are respectively 8 and 5, then find the value of mode?
Range of the given data 23,19,16,17,21,9,18,6.
Which of the following number is rational number?
The product of two co-prime numbers is 945 then find their LCM.
Find the median of the given set? 8,9,17,10,23,11,7,21,15,6,3
5 positive numbers are written on a piece of paper. Sum of first 3 numbers is 30 and ratio of the 4th and the 5th number is 2:3. If difference between the ...
In a four digit number, the units place digit is one more than the hundreds place digit and the tens place digit is one less than the thousand place digit ...
The sum of (p/q)+(q/r)+(r/s)+(s/t) = (239/60). The value of ‘q’ is one less than the value of ‘s’. The average of ‘p’ and ‘s’ is 4. The val...
‘Z’ is a two digit number in which the unit place digit is ‘P’ and the tens place digit is ‘Q’. The value of ‘P’ is smaller than the value ...
There are five numbers A, B, C, D and E. The ratio between the numbers of B and D is (y+1) : 3 respectively. The number C is 12.5% more than the number E. ...
How many 3-digit numbers are completely divisible by 5?
Find the average of the cubes of the first 7 natural numbers.
"PQR is a three-digit number such that it can be expressed as the sum of its three two-digit components, PQ, QR, and RP, where all of them are natural numb...
If the numerator of a fraction is increased by 60% and the denominator is decreased by 20%, then the value of the fraction becomes 21/16. Then tell the val...
₹ 1,350 is divided among Nitin, Tushar, and Gitanjali. The share of Gitanjali is 5/4 of the sum of the shares of Nitin and Tushar. What is the share of G...
The largest three-digit number which gives the same remainder 3 when divided by 4, 9, 6 is:
Which one of the following numbers is divisible by 11?
The largest three-digit number which gives the same remainder 3 when divided by 4, 9, 6 is:
The value of
If the largest three – digit number is subtracted from the smallest five – digit number, then the remainder is
...
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The difference between a number and its three fifth is 50. What is the number?
If ‘+’ means ‘-‘, ‘×’ means ‘÷’ ‘÷’ means ‘+’ and ‘-‘ means ‘×’, then which of the following will be the value of the e...
If (64)2 – (36)2 = 20Z, the value of z is
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