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Q:
The value of $$ {3sin30°-4sin^{3}30°}$$
2120 0

Answer : 3. "sin90°"

Q:
In these questions read each sentence to find out whether there is any error in it. If there is no error, the answer is (D).

I found (A) / the two first chapter of the book (B)/ particularly interesting. (C)/No error (D).
2120 0

Answer : 3. "B"

Q:
A runner starts running from a point at 6:00 am with a speed of 8km / hr. Another racer starts from the same point at 8:30 am in the same direction with a speed of 10km / hr. At what time of the day (in P.M.) will the second racer will overtake the other runner?
2120 0

Answer : 3. "6 : 30 "

Q:
Find the sum of all prime numbers between 10 and 90.
2120 0

Answer : 1. "963"

Q: Find the quadratic equations whose roots are the reciprocals of the roots of 2x2+5x+3? 2120 0

Answer : 1. "3x2+5x+2=0"
Explanation :
Answer: A) A Explanation: The quadratic equation whose roots are reciprocal of 2x2+5x+3=0 can be obtained by replacing x by 1/x. Hence, 2(1/x)(1/x)+ 5(1/x) + 3 = 0 => 3x2+5x+2=0

Q: A work which could be finished in 11 days was finished 4 days earlier after 4 more men joined. The number of men employed was ? 2120 0

Answer : 1. "7"
Explanation :
Answer: A) 7 Explanation: As the work is sameM1D1 = M2D2 Here Let the number of men employed was M=> 11M = 7(M+4)=> 11M - 7M = 28=> M = 7

Q:
A, B, C and D purchase a gift worth Rs. 60. A pays $${1\over2} $$ of what others are paying. B pays $${1\over 3} $$ of what others are paying and C pays $${1\over 4} $$ of what others are paying. What is the amount paid by D?
2120 0

Answer : 3. "13 "

Q:
The G20 Summit 2021 will be which edition of the annual event?
2120 0

Q: The value of $$ {3sin30°-4sin^{3}30°}$$ 2120 05f76ce47e487e60dced938fe

Answer : 3. "sin90°"

Q:In these questions read each sentence to find out whether there is any error in it. If there is no error, the answer is (D). I found (A) / the two first chapter of the book (B)/ particularly interesting. (C)/No error (D). 2120 05dd3c162a46476101fbd679f

Answer : 3. "B"

Q: A runner starts running from a point at 6:00 am with a speed of 8km / hr. Another racer starts from the same point at 8:30 am in the same direction with a speed of 10km / hr. At what time of the day (in P.M.) will the second racer will overtake the other runner? 2120 05dd621517780ee35515abc24

Answer : 3. "6 : 30 "

Q: Find the sum of all prime numbers between 10 and 90. 2120 05f4798fb8733fc33258e0274

Answer : 1. "963"

Q: Find the quadratic equations whose roots are the reciprocals of the roots of 2x2+5x+3? 2120 05b5cc6dae4d2b4197774e88a

Answer : 1. "3x2+5x+2=0" Explanation :Answer: A) A Explanation: The quadratic equation whose roots are reciprocal of 2x2+5x+3=0 can be obtained by replacing x by 1/x. Hence, 2(1/x)(1/x)+ 5(1/x) + 3 = 0 => 3x2+5x+2=0

Q: A work which could be finished in 11 days was finished 4 days earlier after 4 more men joined. The number of men employed was ? 2120 05b5cc6e1e4d2b4197774ebb6

Answer : 1. "7" Explanation :Answer: A) 7 Explanation: As the work is sameM1D1 = M2D2 Here Let the number of men employed was M=> 11M = 7(M+4)=> 11M - 7M = 28=> M = 7

Q: A, B, C and D purchase a gift worth Rs. 60. A pays $${1\over2} $$ of what others are paying. B pays $${1\over 3} $$ of what others are paying and C pays $${1\over 4} $$ of what others are paying. What is the amount paid by D? 2120 05ee8524b642b74661722c1ce

Answer : 3. "13 "

Q: The G20 Summit 2021 will be which edition of the annual event? 2120 06040a5d40634b252a6ba720a

Answer : 1. "16th"

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Q:
The value of $$ {3sin30°-4sin^{3}30°}$$
2120 0

Q:
In these questions read each sentence to find out whether there is any error in it. If there is no error, the answer is (D).

I found (A) / the two first chapter of the book (B)/ particularly interesting. (C)/No error (D).
2120 0

Q:
A runner starts running from a point at 6:00 am with a speed of 8km / hr. Another racer starts from the same point at 8:30 am in the same direction with a speed of 10km / hr. At what time of the day (in P.M.) will the second racer will overtake the other runner?
2120 0

Q:
Find the sum of all prime numbers between 10 and 90.
2120 0

Q: Find the quadratic equations whose roots are the reciprocals of the roots of 2x2+5x+3? 2120 0

Answer : 1. "3x2+5x+2=0"
Explanation :
Answer: A) A Explanation: The quadratic equation whose roots are reciprocal of 2x2+5x+3=0 can be obtained by replacing x by 1/x. Hence, 2(1/x)(1/x)+ 5(1/x) + 3 = 0 => 3x2+5x+2=0

Q: A work which could be finished in 11 days was finished 4 days earlier after 4 more men joined. The number of men employed was ? 2120 0

Answer : 1. "7"
Explanation :
Answer: A) 7 Explanation: As the work is sameM1D1 = M2D2 Here Let the number of men employed was M=> 11M = 7(M+4)=> 11M - 7M = 28=> M = 7

Q:
A, B, C and D purchase a gift worth Rs. 60. A pays $${1\over2} $$ of what others are paying. B pays $${1\over 3} $$ of what others are paying and C pays $${1\over 4} $$ of what others are paying. What is the amount paid by D?
2120 0

Q:
The G20 Summit 2021 will be which edition of the annual event?
2120 0