The HCF of two nos. is 12 and their LCM is 168. If the sum
of these two nos is 108, then their difference is:
1) 36, 2) 48, 3) 60, 4) 72.
Answers were Sorted based on User's Feedback
Answer / aaditya
3) 60 is the correct answer
assume the nos as a and b
a+b=108 as given
ab=168*12 (product of 2 nos=product of lcm and hcf)
(a-b)^2=(a+b)^2 - 4ab
so we have
(a-b)^2= 108*108 - (4*168*12)
=3600
thus a-b=60
Is This Answer Correct ? | 36 Yes | 5 No |
Answer / venkat
1.............. Hcf is 12 FOR THE NO.S, SO V CAN ASSUME
BOTH ARE MULITPLES OF 12... SO 72 N 36 ARE THE NO WITH SUM
108... HENCE DIFF IS 36
Is This Answer Correct ? | 7 Yes | 11 No |
what are the requirements for cat
3 Answers State Bank Of India SBI,
previous rrb exams model papers with soulutions in telugu
number which when divide by 49 leave 32 as the reminder and number divide by 7 what was the remainder
Please suggest me how to prepare for the Bank Probationary Officers examination. I cant go to any coaching classes, so im preparing at home..so plese tell me any tips regarding how to prepare for the exams.. thank you
What is VDA & DA Full Form?
whyy do u want to join mfc
what is democratic right
Multiply all the integers from -4 to +4. The product obtained is
complete the given series: o,t,t,f,f,s,s,_,_,t
information of hdfc bank
DIRECTIONS for Questions 3 and 4: Answer the questions on the basis of the information given below. In an examination, there are 100 questions divided into three groups A, B and C such that each group contains at least one question. Each question in group A carries 1 mark, each question in group B carries 2 marks and each question in group C carries 3 marks. It is known that the questions in group A together carry at least 60% of the total marks. DIRECTIONS for Questions 3 and 4: Answer the questions on the basis of the information given below. In an examination, there are 100 questions divided into three groups A, B and C such that each group contains at least one question. Each question in group A carries 1 mark, each question in group B carries 2 marks and each question in group C carries 3 marks. It is known that the questions in group A together carry at least 60% of the total marks. If group B contains 23 questions, then how many questions are there in group C?
Ramesh went to a bank with a cheque. He had no money with him. He handed over the cheque to one of the bank tellers. The bank teller was in a confused state of mind and cashed the cheque. He gave Ramesh as many rupees as those of paise he had to give and as many paise as those of rupees he had to give. Ramesh took the amount and left the bank. He then bought a chocolate for 75 paise from a shop nearby. He then observed that he was left with an amount which was the excess of the amount on the cheque over the amount he received from the teller. Find the sum of them number of rupees and paise on the cheque. a) 60. b) 75 c) 90 d) 120