Simplify (x2 – 9)/x+3
Simplify Options a) x – 9b) x + 3c) x – 3d) Solution As per question Ans is ) x – 3
Maths MCQs
The value of cos2 29o + cos2 61o is:
The value of cos229o + cos261o is: Optionsa) b) 2c) 0d) 1 Solution As per questioncos229 + cos261ocos229 + (cos 61o)2cos229 + (cos (90 – 29)o)2cos229 + (Sin 29)2 Formula :- = cos (90 – cos229 + sin229 = 1Formula :- = 1 Ans is ) 1
What is the value of sec (t), if tan (t) = 1/3 ?
What is the value of sec (t), if tan (t) = ? Optionsa) b) c) d) Solution As per question tan Q = (AB)2 = (AC)2 + (BC)2(AB)2 = (3)2 + (1)2(AB)2 = 9 + 1 = 10AB = sec (t) = Ans is )
What is the value of sec (t), if tan (t) = 1/3 ? Read More »
The value of sin2 30 – sin2 40 + sin2 45 – sin2 55 – sin2 35 + sin2 45 – sin2 50 + sin2 60 is:
The value of sin2 30 – sin2 40 + sin2 45 – sin2 55 – sin2 35 + sin2 45 – sin2 50 + sin2 60 is: Optionsa) 4b) 0c) 1d) 2 Solution As per question sin2 30 – sin2 40 + sin2 45 – sin2 55 – sin2 35 + sin2 45 – sin2
Simplify x3 + 15×2 + 75x + 125/x2 – 25 (x – 5).
Simplify . Optionsa) x2 + 5x + 25b) x2 – 25c) x2 + 10x + 25d) x2 + 25 Solution As per question (x + 5)2 = x2 + 10x + 25 Ans is ) x2 + 10x + 25
If cosec theta = 5/3 , then evaluate (sec2 theta – 1) x cot2 theta x (1 + cot2 theta).
If , then evaluate (. Optionsa) b) c) d) Solution As per questionFormula :- ((Given = Ans is )
If cosec theta = 5/3 , then evaluate (sec2 theta – 1) x cot2 theta x (1 + cot2 theta). Read More »
Pipe A usually fills a tank in 6 hours. But due to a leak at the bottom of the tank, it takes extra 2 hours to fill the tank. If the tank is full, then how much time will it take to get emptied due to the leak?
Pipe A usually fills a tank in 6 hours. But due to a leak at the bottom of the tank, it takes extra 2 hours to fill the tank. If the tank is full, then how much time will it take to get emptied due to the leak? Optionsa) 16 hoursb) 12 hoursc) 24 hoursd)
A thief is noticed by a policeman from a distance of 200 m. The thief starts running and the policeman chases him. The thief and the policeman run at the rate of 10 km/h and 11 km/h, respectively. What is the distance (in metres) between them after 9 minutes?
A thief is noticed by a policeman from a distance of 200 m. The thief starts running and the policeman chases him. The thief and the policeman run at the rate of 10 km/h and 11 km/h, respectively. What is the distance (in metres) between them after 9 minutes? Optionsa) 50b) 40c) 60d) 30 Solution
Simplify 4 4/5 x 3/8 + (3 1/2 + 2/3) x 4/5
Simplify Optionsa) b) c) d) Solution As per question Answer:
Replace * by the smallest digit so that 723 *56* is divisible by 6.
Replace * by the smallest digit so that 723 *56* is divisible by 6. Optionsa) 1b) 2c) 3d) 4 Solution As per question723 *56*Divisible by 6 (2 x 3) divisible by both 2 and 3Divisible by 2 = Last digit is evenFrom options : Number may be 2 and 4Divisible by 3 = sum of
Replace * by the smallest digit so that 723 *56* is divisible by 6. Read More »