Unit digit of the number is 3.
Let the number of two digit be (10x + 3)
According to the question
(x + 3) = (10x + 3) × 1/7
⇒ 7 (x + 3) = (10x + 3)
⇒ 7x + 21 = 10x + 3
⇒ 10x - 7x = 21 - 3
⇒ 3x = 18
⇒ x = 18/3
⇒ x = 6
So, the number is = 10 × 6 + 3 = 63.
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90 Mins English English100 Questions100 Marks90 Mins English English40 Questions30 Marks25 Mins EnglishFind the Highest Common Factor (HCF) of 372, 732 and 2196.
If the HCF of the expressions (x + 3) (2x² – 3x + a) and (x – 2) (3x² + 10x – b) is x² + x – 6, then what is the value of (2a – 3b) ?
The sum of two numbers is 1580 and their LCM is 18816. Find the two numbers.
Reduce to lowest form using HCF
Find the HCF of 3/4, 5/6, 7/8.
Three bells start ringing after interval of 20 minutes, 25 minutes and 40 minutes. They ring simultaneously at 8:00 am. They will ring simultaneously again at
Three bells start ringing after interval of 20 minutes, 25 minutes and 40 minutes. They ringsimultaneously at 8: 00 am. They will ring simultaneously again at :
The HCF and the LCM of two numbers are 4 and 2600, respectively. If one of the numbers is 104, find the other one.
The largest four-digit number which when divided by 9, 18 and 23, leaves a remainder 5 in each case, is:
The greatest number, which divides 1938 and 2337 to leave 0 and 3 respectively as remainders, is:
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