- The HCF and LCM of two numbers is 84 and 840 respectively.If the first number is 168,find the second number?
420440450480None of theseOption A

LCM*HCF=X*Y - In how many ways 5 Germans and 5 French be seated along a circular table,so that they are seated in alternative positions?
3! 4!4! 5!3! 3!4! 4!None of theseOption B
- 4 matches are to be played in Dream 11 IPL.In how many ways can result be dicided?
38127243None of theseOption B

Ways=3*3*3*3 - In a group of 6 males and 5 females,5 candidates have to be selected.In how many ways can it be done so that atleast 2 males are included?
1524165015261600None of theseOption C

6C2*5C3 + 6C3*5C2 + 6C4*5C1 + 6C5 - Area of a recatgular field is 3375 m^2.and its length and breadth are in ratio 5:3.Find its breadth?
135 m100 m55 m45 mNone of theseOption D

5a * 3a =3375

15a^2=3375

a=15

Breadth=3*15=45 m - Two cubes have their volume i ratio 1:8.Find the ratio of their surface area?
1:41:82:52:3None of theseOption A

a^3 : b^3 = 1:8

a:b = 1:2

=6a^2 : 6b^2 = 1:4 - In a class of 500 candidates,65% are males ,20% of females and 40% of males failed the examination.Find teh number of candidates who passed the examination?
375355335345None of theseOption C

Total=500

Males=325

Females=175

Females failed=175*80/100=140

Males failed=40/100*325=195

Total=335 - Study the following and answer the questions:

4/9 * 6/3 + 11/27 – 18/81 = ?29/2727/2829/3025/27None of theseOption A

=24 +11 -6/27 - 2/5 * 3/7 * 23/11 * ? = 192
605616500555None of theseOption B
- (39.25)^2 + (5.98)^2 – (19.95)^2 =?
11571150120511721184Option A

1521 + 36 – 400