30% discount is offered on an item. By applying a promo code the customer wins 10% cash back. What is the effective discount?
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A car travels a certain distance at 34 km/h and comes back at 66 km/h. What is the average speed for total journey?
If x - y = 7 and x + y = 13, then x2 - y2 is
If sin -330° = x, then the value of x is
If Giri's salary is 9/5 times of Hariprasad's and Shaukat's is 9/2 times of Hariprasad's, what is the ratio of Giri's salary to Shaukat's?
If the radius of a circle is increased by 29% its area increases by
Slope of the side DA of the rectangle ABCD is 1/3. What is the slope of the side AB?
If the amount received at the end of 2nd and 3rd year at Compound Interest on a certain Principal is Rs 33708, and Rs 35730.48 respectively, what is the rate of interest?