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Let present age of father and son be 9x and 5x respectively. According to question, => (9x – 3) (5x – 3) = 33 × (5x – 3) => (9x – 3) = 33 => 9x = 36 => x = 4 Therefore, son’s age 3 years ago = (5x – 3) = 17 years
A concave lens always forms an image which is –
Which among the following is the fundamental quantity?
Which part of the plant is responsible for photosynthesis?
Which one among the following statements is not true for Mammals?
A body is said to be in equilibrium when:
Metalloids are
Presbyopia is a visual defect caused by:
A mass m is suspended from a spring of spring constant k and oscillates with amplitude A. The maximum velocity during oscillation is:
Which of the following statements about holes is incorrect ?
Two capacitors of 6 μF and 12 μF are connected in series. What is the equivalent capacitance?
