Recent questions and answers in maths

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1 answer 244 views

The ages of two friends Manjit and Ranjit differ by 3 years. Manjit's father Dharam is twice as old

answered Jun 29, 2023 in maths by Doubtly (98.9k points)

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1 answer 159 views

A and B are friends and their ages differ by 2 years. A's father D

answered Jun 29, 2023 in maths by Doubtly (98.9k points)

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0 answers 73 views

Five years hence, father's age will be three times the age of his son. Five years ago,

asked May 24, 2022 in maths by Doubtly (98.9k points)

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0 answers 66 views

On selling a T. V. at 5% gain and a fridge at 10% gain,Reliance digital gains Rs 2000. But if its sells the

asked May 24, 2022 in maths by Doubtly (98.9k points)

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0 answers 268 views

P and Q each have certain number of apples. A says to B, “if you give me 10 of your apples,

asked May 24, 2022 in maths by Doubtly (98.9k points)

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1 answer 139 views

A chemist has one solution which is 50% acid and a second which is 25% acid. How much of each should be mixed to make

answered Apr 3, 2022 in maths by Doubtly (98.9k points)

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0 answers 85 views

Find the values of a and b if the points A(–2,1), B(a,b) and C(4,–1) are collinear and a – b = 1.

asked Apr 2, 2022 in maths by Doubtly (98.9k points)

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0 answers 169 views

If (3,3),(6,y),(x,7) and (5,6) are the vertices of a parallelogram taken in order, find the value of x and y.

asked Apr 2, 2022 in maths by Doubtly (98.9k points)

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0 answers 60 views

If xcosθ – ysinθ = a, xsinθ + ycos θ = b, prove that x2+y2=a2+b2.

asked Apr 2, 2022 in maths by Doubtly (98.9k points)

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0 answers 106 views

If cosφ + sinφ = √2 cosφ, prove that cosφ - sinφ = √ 2sin φ.

asked Apr 2, 2022 in maths by Doubtly (98.9k points)

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0 answers 84 views

Prove that one of every three consecutive integers is divisible by 3.

asked Apr 2, 2022 in maths by Doubtly (98.9k points)

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0 answers 62 views

A bag contains 5 red and some blue balls, if probability of drawing a blue ball from the bag is twice that of

asked Apr 2, 2022 in maths by Doubtly (98.9k points)

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0 answers 105 views

A card is drawn at random from a well shuffled deck of playing cards. Find the probability that the card drawn

asked Apr 2, 2022 in maths by Doubtly (98.9k points)

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0 answers 98 views

Find the point on the y-axis which is equidistant from the points (5,–2) and (–3,2).

asked Apr 2, 2022 in maths by Doubtly (98.9k points)

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0 answers 111 views

Which term of the sequence 4, 9, 14.... is 124? 2

asked Apr 2, 2022 in maths by Doubtly (98.9k points)

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0 answers 99 views

Find the LCM and HCF of 120 and 144 by using Fundamental Theorem of Arithmetic.

asked Apr 2, 2022 in maths by Doubtly (98.9k points)

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0 answers 64 views

Determine whether the following system of equations has a unique solution, no solutions or infinitely many solution

asked Apr 2, 2022 in maths by Doubtly (98.9k points)

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0 answers 79 views

If sec A+ tan A = p, then find the value of sec A – tan A.

asked Apr 2, 2022 in maths by Doubtly (98.9k points)

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0 answers 194 views

D and E are respectively the points on the sides AB and AC of a triangle ABC such that AD = 2 cm, BD = 3 cm, BC = 7.5 cm

asked Apr 2, 2022 in maths by Doubtly (98.9k points)

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0 answers 120 views

The first three terms of an AP are 3y – 1, 3y +5 and 5y +1 respectively. Then find the value of ‘y’.

asked Apr 2, 2022 in maths by Doubtly (98.9k points)

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