This document is a permutation and combination worksheet from Sthitpragya Science Classes in Gandhidham, India. It contains 34 questions on permutation and combination for JEE, BITSAT, GUJCET, and Olympiad exams. The worksheet is authored by Mishal Chauhan, who has an M.Tech from IIT Delhi. Contact information and addresses for the classes are provided.

1. PERMUTATION & COMBINATION WORKSHEET (I)
STHITPRAGYA SCIENCE CLASSES, GANDHIDHAM
ADVANCED MATHEMATICS FOR JEE | BITSAT | GUJCET | OLYMPIADS | IX, X, XI, XII, XII +
MISHAL CHAUHAN (M.Tech, IIT Delhi)
Address 1: Near Gayatri Mandir, Opp. PGVCL Office, Shaktinagar Address 2: Sec-5, G.H.B, Gandhidham
Contact: 9879639888 Email:sthitpragyaclasses@gmail.com
Q. 1
Q. 2
Q. 3
Q. 4
Q. 5

2. PERMUTATION & COMBINATION WORKSHEET (I)
STHITPRAGYA SCIENCE CLASSES, GANDHIDHAM
ADVANCED MATHEMATICS FOR JEE | BITSAT | GUJCET | OLYMPIADS | IX, X, XI, XII, XII +
MISHAL CHAUHAN (M.Tech, IIT Delhi)
Address 1: Near Gayatri Mandir, Opp. PGVCL Office, Shaktinagar Address 2: Sec-5, G.H.B, Gandhidham
Contact: 9879639888 Email:sthitpragyaclasses@gmail.com
Q. 6
Q. 7
Q. 8
Q. 9
Q. 10
Q. 11

3. PERMUTATION & COMBINATION WORKSHEET (I)
STHITPRAGYA SCIENCE CLASSES, GANDHIDHAM
ADVANCED MATHEMATICS FOR JEE | BITSAT | GUJCET | OLYMPIADS | IX, X, XI, XII, XII +
MISHAL CHAUHAN (M.Tech, IIT Delhi)
Address 1: Near Gayatri Mandir, Opp. PGVCL Office, Shaktinagar Address 2: Sec-5, G.H.B, Gandhidham
Contact: 9879639888 Email:sthitpragyaclasses@gmail.com
Q. 12
Q. 13
Q. 14
Q. 15
Q. 16
Q. 17 A total of 6 boys and6 girlsare to sitina row (boyin the firstplace) alternativelyandina circle
alternatively.Letmbe the numberof arrangementsina row and n the numberof arrangementsina
circle.If m = Kn,thenthe value of K is
(A) 10 (B) 11 (C) 12 (D) 13

4. PERMUTATION & COMBINATION WORKSHEET (I)
STHITPRAGYA SCIENCE CLASSES, GANDHIDHAM
ADVANCED MATHEMATICS FOR JEE | BITSAT | GUJCET | OLYMPIADS | IX, X, XI, XII, XII +
MISHAL CHAUHAN (M.Tech, IIT Delhi)
Address 1: Near Gayatri Mandir, Opp. PGVCL Office, Shaktinagar Address 2: Sec-5, G.H.B, Gandhidham
Contact: 9879639888 Email:sthitpragyaclasses@gmail.com
Q. 18
Q. 19
Q. 20
Q. 21
Q. 22
Q. 23 A personwritesletterstosix friendsandaddresses the correspondingenvelopes.Inhow many
wayscan the lettersbe placedinthe envelopessothat
(a) Atleasttwo of themare inthe wrong envelopes?
(b) All the lettersare inthe wrong envelopes?

5. PERMUTATION & COMBINATION WORKSHEET (I)
STHITPRAGYA SCIENCE CLASSES, GANDHIDHAM
ADVANCED MATHEMATICS FOR JEE | BITSAT | GUJCET | OLYMPIADS | IX, X, XI, XII, XII +
MISHAL CHAUHAN (M.Tech, IIT Delhi)
Address 1: Near Gayatri Mandir, Opp. PGVCL Office, Shaktinagar Address 2: Sec-5, G.H.B, Gandhidham
Contact: 9879639888 Email:sthitpragyaclasses@gmail.com
Q. 24
Q. 25
Q. 26
Q. 27
Q. 28

6. PERMUTATION & COMBINATION WORKSHEET (I)
STHITPRAGYA SCIENCE CLASSES, GANDHIDHAM
ADVANCED MATHEMATICS FOR JEE | BITSAT | GUJCET | OLYMPIADS | IX, X, XI, XII, XII +
MISHAL CHAUHAN (M.Tech, IIT Delhi)
Address 1: Near Gayatri Mandir, Opp. PGVCL Office, Shaktinagar Address 2: Sec-5, G.H.B, Gandhidham
Contact: 9879639888 Email:sthitpragyaclasses@gmail.com
Q. 29
Q. 30
Q. 31
Q. 32
Q. 33

7. PERMUTATION & COMBINATION WORKSHEET (I)
STHITPRAGYA SCIENCE CLASSES, GANDHIDHAM
ADVANCED MATHEMATICS FOR JEE | BITSAT | GUJCET | OLYMPIADS | IX, X, XI, XII, XII +
MISHAL CHAUHAN (M.Tech, IIT Delhi)
Address 1: Near Gayatri Mandir, Opp. PGVCL Office, Shaktinagar Address 2: Sec-5, G.H.B, Gandhidham
Contact: 9879639888 Email:sthitpragyaclasses@gmail.com
Q. 34