For the following questions answer them individually
If (x + y):(x - y) = 11:1, ﬁnd value of (5x + 3y)/(x - 2y).
A rice trader buys 16 quintals of rice for Rs 5632. 20% rice is lost in transportation. At what rate should he sell to earn 25% proﬁt?
If 2 + 4x < 5 - x/2 and 3x + 3 > -5 - 3x; then x can take which of the following values?
The ten's digit of a 2-digit number is greater than the units digit by 7. If we subtract 63 from the number, the new number obtained is a number formed by interchange of the digits. Find the number.
ΔDEF is similar to ΔGHI. Length of DE is 9 cm and length of the corresponding side GH is 16 cm. What is the ratio of areas of Δ DEF : ΔGHI?
A carpenter can build a cupboard in 48 hours. After 12 hours he takes a break. What fraction of the cupboard is yet to be built?
The average revenues of 7 consecutive years of a company is Rs 83 lakhs. If the average of ﬁrst 4 years is Rs 78 lakhs and that of last 4 years is Rs 90 lakhs, ﬁnd the revenue for the 4th year.
The slope of the line passing through the points (7,-2) and (x,1) is -3/10. Find x.
10% discount is offered on an item. By applying a promo code the customer wins 5% cash back. What is the effective discount?
Find the sum of the measures all the interior angles of a polygon having 12 sides.