HCF LCM -3 ||PGT 2021|| Q31-35|| PGT 2022 Q1-3|| #dsssb

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Q.31 The greatest number that divides 860 and 1045
leaving remainders 10 and 25 respectively is:
860
1
2. 185
1.190
3. 170
4. 165
(DSSSB PGT Commerce Female 29.07.2021 Shift-2)
Q.32 A number that can exactly divide 143, 1001 and
1210 is reduced by 3. Find the highest possible
solution . / ve5 ₹el i1 143, 1001 3i2 1210 a yid:
o
1.2
2.
3.4
4.8
(DSSSB PGT Sanskrit Female 31.07.2021 Shift-1)
Q.33 What is the LCM of two expressions a?+ 2a - 3
and a2+a-2?
2 -
a
(LCM)
1. a3+4a2+a-6
2.a3+4a2- at12
3. a3+4a2+a+6
4. a3- 4a2ta-12
(DSSSB PGT Urdu Male 31.07.2021 Shift-1)
3 6 and 15
Q.34 HCF
is:
of
9
6
2 1 10
2.
1.
30
3.
15
(DSSSB PGT Urdu Male 31.07.2021 Shift-1)
Q.35 Find the least square number which is divisible
by 4, 8, 9, 10 and 12?
8, 9, 10 R 12A
1.900
2.1024
4.3600
3.1440
(DSSSB PGT Maths Male 31.07.2021 Shift-2)
PGT 2022
Q.1 Three numbers are in the ratio 3:4:5. If their sum
is 516, find their LCM.
A.2940
B.2700
C.2580
D.2820
(DSSSB PGT Urdu Female 03.11.2022 Shift-2)
Q.2 LCM of two numbers is 35 times their HCF, and
the sum of their LCM and HCF is 468. The difference
between the numbers is 26. If s is the sum of the
numbers, then the sum of digits of s is:
CM
s
A.9 B.12
13
D. 11
(DSSSB PGT Computer Science Female 21.1 1.2022 Shift-2)
Q.3 In finding HCF of two numbers by division
method, the last divisor is 64 and the respective
quotients from the beginning are 2, 7 and 2. The sum
of the two numbers is:
64
A.2656B. 3008
(DSSSB PGT Computer Science Male 21.1 1.2022 Shift-2)