Number Of Ways 3 Men And 2 Women Can Sit In A Bus The Total Number Of Sitting Men And Women On Each Side Is 3
1) 5! 2) 6C5 x 5! 3) 6! x 6P5 4) 5! + 6C5 Answer: (2) 6C5 x 5! Solution:... View Article
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The Sum Of All Positive Divisors Of 960 Is
1) 3048 2) 3087 3) 3047 4) 2180 Answer: (1) 3048 Solution: The prime factorisation of 960 is 26 x... View Article
The Sum Of Limit I0m 10ci 20cmi Where Pcq 0 If Pq Is Maximum When M Is
1) 5 2) 15 3) 10 4) 20 Answer: (2) 15 Solution: Given, \(\begin{array}{l}\sum_{i=0}^{m}{ }^{10} C_{i} \times{ }^{20} C_{m-i}\end{array} \)... View Article
If Npr 720 Ncr Then R Is Equal To
1) 6 2) 5 3) 4 4) 7 Answer: (1) 6 Solution: Given, nPr = 720. nCr n!/(n-r)! = 720.... View Article
If Sin A Sin B C Cos A Cos B D Then The Value Of Sin A B
1) CD 2) CD/(C2 + D2) 3) (C2 + D2)/2CD 4) 2CD/(C2 + D2) Answer: (4) 2CD/(C2 + D2) Solution:... View Article
If Cos A 3 Cos B 4 1 5 Pi 2 A 0 Pi 2 B 0 Then Value Of 2 Sin A 4 Sin B Is
1) 4 2) -2 3) -4 4) 0 Answer: (3) -4 Solution: Given, (cos A)/3 = (cos B)/4 = 1/5... View Article
At X 5pi 6 The Value Of 2 Sin 3x 3 Cos 3x Is
1) 0 2) 1 3) -1 4) None of these Answer: (4) None of these Solution: Given, x = 5π/6... View Article
The Value Of Tan A Plus Sec A Minus1 Tan A Minus Sec A Plus 1
1) (1 + cos A)/sin A 2) (1 + sin A)/cos A 3) (1 – cos A)/(1 + cos A)... View Article
If 3 Sin A 5 Cos A 5 Then The Value Of 3 Cos A 5 Sin A 2 Is
1) 4 2) 5 3) 2 4) 9 Answer: (4) 9 Solution: Given, 3 sin A + 5 cos A... View Article
The Value Of Cos A Sin A When A 5pi 4 Is
1) √2 2) 1/√2 3) 0 4) 1 Answer: (3) 0 Solution: Given, A = 5π/4 cos A – sin... View Article
If Tan A 1 2 Tan B 1 3 Then Cos 2a Equals To
1) sin B 2) sin 2B 3) sin 3B 4) None of these Answer: (2) sin 2B Solution: Given, tan... View Article
The Value Of Tan Minus 945 Is
1) -1 2) -2 3) -3 4) -4 Answer: (1) -1 Solution: tan( – 945°) = tan(- 3 × 360°... View Article
Sin 2 Pi 8 Sin 2 3pi 8 Sin 2 5pi 8 Sin 2 7pi 8 Equals To
1) 1 2) -1 3) 0 4) 2 Answer: (4) 2 Solution: sin²(π/8) + sin²(3π/8) + sin²(5π/8) + sin²(7π/8) =... View Article
Sec A Tan A 1 Sec A Tan 1 2 Tan A Equals To
1) sec A 2) 2 sec A 3) 0 4) 2 Answer: (3) 0 Solution: (sec A + tan A... View Article
Tan Theta Sin Pi 2 Plus Theta Cos Pi 2 Minus Theta Equals To
1) 1 2) 0 3) 1/√2 4) None of these Answer: (4) None of these Solution: We know that, sin(π/2... View Article
Tan A Cot 180 A Cot 90 A Cot 360 A Equals To
1) 0 2) 2 tan A 3) 2 cot A 4) 2(tan A – cot A) Answer: (1) 0 Solution:... View Article
Cot 45 Plus Theta Cot 45 Minus Theta Equal To
1) -1 2) 0 3) 1 4) ∞ Answer: (3) 1 Solution: cot(45° + θ) cot(45° – θ) = [(cot... View Article
Sin Pi Plus Theta Sin Pi Minus Theta Cosec 2 Theta Equal To
1) 1 2) -1 3) sin θ 4) -sin θ Answer: (2) -1 Solution: sin(π + θ) sin(π – θ)... View Article
Tan Pi 4 Plus Theta Minus Tan Pi 4 Minus Theta Equal To
1) 2 tan 2θ 2) 2 cot θ 3) tan 2θ 4) cot 2θ Answer: (1) 2 tan 2θ Solution:... View Article
Cos A Sin 270 Plus A Sin 270 Minus A Cos 180 Plus A Equal To
1) -1 2) 0 3) 1 4) None of these Answer: (2) 0 Solution: We know that, sin(270° + x)... View Article
