Question
What is the monthly salary of Amit? Statement I.
Amit spends one-third of his salary on household expenses, one –fourth on travel expenses, one – fifth on rent and deposit it’s the rest in a bank. Statement II. His monthly deposits in the bank amount to Rs. 13,000. Statement III. The ratio of his salary to his wife’s is 6 : 1. His wife spends one – fifth of her salary on travel expenses, and the remaining Rs. 8,000 on her cosmetic goods. In each of the following questions, a question is followed by three statements numbered I, II and III. Read all the statements and answer accordingly.Solution
From I: Let the Amit’s salary be x. x/3+x/4+x/5+ D = x
D = 13x/60 From II: D = Rs. 13,000 Now using I and II, D = 13x/60 13,000 = 13x/60 x = 60,000 From III: Let his wife’s salary be = x Rs. x - x/5 = 8,000 4x/5 = 8,000 x = 10,000 Now, Amit’s salary = 6x = 6 × 10,000 = Rs. 60,000
In the given Figure, Find  angle BCD. If AB is a diameter & AB is parallel to CD.
What will be circumradius of a right angle triangle whose base is 20cm & height is 21cm ?
If y = 5x + c passes through point A(5, 2), what is the value of c?
...If in a right angle triangle ABC, Angle B is a right angle. AB = 8 cm, BC= 15cm if BD is perpendicular to AC find the length of BD?Â
The perimeter of a rectangle is 100 m, and its diagonal is 41 m. Find the area of the rectangle.
Find the area of triangle having sides 20 m, 21 m, and 29 m.
The radius of a circle is 25 cm, and the length of the chord is 14 cm. Find the distance between the chord and the centre of the circle. Â
The length of the each side of an equilateral triangle is 28√3. The area of incircle, (cm 2 ) is
The ratio of curved surface area of a right circular cylinder to the total area of its two bases is 2 : 1. If the total surface area of cylinder is 2310...