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If 2x+4-2x+2=3, then the value of x?
The price of an article is cut by 42%, to restore to its original value, the new price must he increased by ______.
Three numbers are in the ratio of 3:5:10 and their LCM is 630. Find their HCF.
If the elevation of the Sun changes from 30° to 60° , then the difference between the lengths of shadows of a pole 15 m high, is
In an isosceles ΔABC, AD is the median to the unequal side meeting BC at D. DP is the angle disector of ∠ADB and PQ is drawn parallel to BC meeting AC at Q. Then the measure of ∠PDQ is
The ratio of present ages of Ratna and Shantanu is 5:4. After 19 years the ratio of their ages will be 10:9. What is Ratna's present age?
When a number is increased by 105, it becomes 135% of itself. What is the number?