For the following questions answer them individually
It is given that $$\triangle ABC \cong \triangle PQR, AB = 5 cm, \angle B = 40^{\circ}$$, and $$\angle A = 80^{\circ}$$. Which of the
following options is true?
How many kilogram of rice costing Rs.60 per kg must be mixed with 24 kg of rice costing Rs.42 per kg so that there may be a gain of 12% by selling the mixture at Rs.56 per kg?
At a clearance sale, a shopkeeper gives 45% discount. If a customer paid ₹330 during the sale, then what is the marked price of that shirt ?
Find the coordinates of the points where the graph 57x-19y=399 cuts the coordinate axes.
Rajnish borrowed ₹1,500 from a bank and repaid the entire amount with interest in two equal annual instalments, the first instalment being paid a year after Rajnish borrowed from the bank. If the rate of interest was 40% per annum, compounded annually, then what was the value (in ₹) of each instalment paid by Rajnish?
A sum triple itself in 9 years at simple interest. Find the rate of interest per annum is.
A starts a business with ₹75,000 and B joins the business 5 months later with an investment of ₹80,000. After 1 year, they earn a profit of ₹4,08,800. Find the share of A and B (in ₹).
The value of $$\frac{0.7 \times 0.7 \times 0.7 + 0.3 \times 0.3 \times 0.3}{0.7 \times 0.7 - 0.7 \times 0.3 + 0.3 \times 0.3}$$