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1. The LCM of two humbers is four times, their HCF and their sum is 125. If one, number i is 100, what will be the other?, , AS ae e (B) 25., (C) 100: (D) 125, 2. The HCE and’ LOM of two. numbers are., 8. ‘and’ 1728, ‘tespectively, Accordingly,, - how: many Pals of such digits are there?, OD eB) ae, (Oy ae —O) 5:, 3. The LCM of { two aimibers 1s 520 and, their HCF is 4. If one of them is 52,, , _ Find the other? », (A)40" °°... (BY) 42, (C) 50 ee @D) 82

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_ 4 The sum of the squares of the digits of, ~~ the greatest prime number of two digits, , AS oy ek (NCERT), A 148 atu 8 yp)g0., (COT ne - @) 118, , , , , , 5. Find the jeast ae which “3 divided by, 24 and 36, the remainder will be 14 and., , wai 26 reapeetniel,, (A) 82 Ae By 62, ,, (C) 102 cee | (92, , 6. The possible maximum length. (in, cm), _ that can be used. to accurately measure, , 495 cm, 900 em, 1665 cm is:, (BY 25 9 eS BYE, (C) 45° .. ~ (D) 15 |

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8., , Find the least number from the following, which is divided by 12, 16, 24 and 36, , and beni the remainder a7,, , (A) 248 B) 139 Sa, (C) 149 | _(D) 245 The HCF and LCM of two’ yuimbers are, , 44 and 264,. respectively. If the first, number is divided by 2, the quotient is, , - 44, which | of the following will be the, , 10., , second number?, , (147 By 528., , (CV 132 (D):264. a2, The difference between the largest 4-digit, , number and the smallest 4-digit number, which starting from 3 and ending with 5, , is : (NCERT), , (A) 900 © ~ (B) 909, (C) 999 — (D) 990 |

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ae The: number: of pairs of positive integers, , - whose sum. is. 3 99 and their FICE is io:, , (A) RL BAF., , 12:, , (C)3- a .(D) 2, , ‘The sum of two. numbers i is 84 and their, —HCF is 12. ‘The number of total pairs. ¢ of, , ‘such numbers will be: ,, , Ry ROS Ee Be, , 13., , (OBOE. OV Dy S, , The largest four-digit number, which is, divisible by each of the numbers 12, 18,, 21 and 28, is:, , (A) 9576 (B) 9928 |, , (C)9828 =D) 9324

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14., , The sum of two numbers is 36 and theip, , HCF and LCM are 3 and 105, , . respectively. The sum of the reciprocal, , of the two numbers will be:, , HO) as 35 O%5, , 5c a, , ! .: The jnallest. pectect square ‘number,, ce which is s divided t by each of 16; 20 and, , 24, AS 8 pay . WA? No, , 16., , Ay I 1600 oe (8) 3600 |, (©)6400 = @®) 14400., , The two. ienberet are’in the ratio RF, ‘and their LCM. is 48. The sum. of those’, , ‘two numbers will be: (NCERT), (AVB2 io By 28 |, , ee eobay (DYQ4,