A number is doubled and 9 is added. If the resultant is trebled, it becomes 75. What is that number ?
Let the number be v. Then, 3 (2x + 9) = 75.
2x + 9 = 25
=> 2x = 16
=> x = 8
If a 10-digit number 7220x558y2 is divisible by 88, then the value of (5x + 5y) can be :
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If a 10-digit number 1230x558y2 is divisible by 88, then the value of (5x + 5y) is:
If an 8-digit number 30x558y2 is divisible by 88, then the value of (6x +6y) is:
If the seven digit number 54x29y6 (x > y)is divisible by 72, what is the value of (2x + 3y)?
Which among the following numbers is exactly divisible by 7, 11 and 13 ?
Which among the following numbersis exactly divisible by 11, 13 and 7?
(a) 624613
(b) 624624
(c) 624635
(d) 624646
The ten-digit number 2x600000y8 is exactly divisible by 24. If x ≠ 0 and y ≠ 0, then the least value of (x + y) is equal to:
The 10-digit number 79x00001y6 is exactly divisible by 88. What is the value of (x + 3)?
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