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Work done by a man in 1/2days = 1/6part Work done by a woman in 1/2days = 1/4part Work done by a boy in 1/2days = 1/12part Let one man and one woman together can do a piece of work in 1/2days = No. of x children required According to the question, 1/6 + 1/4+ 1/12= 1 (2 + 3 + x )/12 = 1 5 + x = 12 x = 12 – 5 = 7 Hence, 7 boys will be required.
If m is the number of prime numbers between 0 and 52. and n is the number of prime numbers between 50 and 100, then what is the (n-m) equal to?
Let the speed of sound in air, water and iron by V a , V w and V i respectively. Which is the correct order of velocity of sound in th...
The magnification produced by a spherical mirror is -0.5. The image formed by the mirror is:
In the following question, select the odd word from the given alternatives.
What is the unit digit of the number 'Y' obtained by subtracting the largest two-digit prime number from the least common multiple (LCM) of all single-d...
Refer to the following letter series and answer the question.
(Left) T Y A N E C M K E W A F H E Q A P M N B E D H E K U W S D A N M A W E (Right...
Consider the following statements about Goods and Services Tax (GST) is/are correct?
GST Council is the g...
If the old man kicked the bucket.
The above sentence means:
India State of Forest Report 2023 (ISFR) was recently released by which of the following:
Which one of the following is the oxidation state of oxygen in OF₂?