Question

120 + [84 - 7 - {15 - (25 -5 + 10 + 2)}]
c) -150+ [25 of 10 - {(-50)+(-2 of 5) - 40}]
d) 650 × (-2) + 47 - (45) + {20 of (4 - 50) +2}
A water tap fills water at the rate of 25 L per minute into a water tank. Another water
in the same tank at the rate of 15 L per minute. If both the water taps are
filled in 15 minutes. Find the volume of the water tank.
Amir rides his bike at the speed of 28 kmph in east for 3 hours and then at the speed
a)
b) [180 = {12 * 10 - 15 x 9}] + 12
opened, ther
west for 5 hours. Find the distance between his final position and initial position.
A fish is at 125 m below the sea level. It rises 56 m, then dives 48 m and then rises 2
the fish's position from the sea level.
A submarine is at 350 m below the sea level. It ascends for 10 seconds and then sto
is at 100 m below the sea level. Find the speed of the submarine.
A building of 50 floors. Every floor of the building is 6 m high. If its elevator move
then how long will it take to move from second floor to 42nd floor?
Rahul throws a ball in air. The ball goes up to the height of 21 m and settles at the
deep. Find the total distance covered by the ball.
1 a test of 50 questions, +5 marks are given for each correct answer, -1 mark is
mnting Pahul completed this test with 42 corr​

Answer 1

Answer:

hi

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