If 9x-3y=12 and 3x-5y=7 then 6x-2y = ?
Answer Posted / woya
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A family has several children. Each boy in this family has as many sisters as brothers but each girl has twice as many brothers as sisters. How many brothers and sisters are there?
Complete the series. 4, -5, 11, -14, 22, ---
halley is clarks father& arthur is halleys father.after some years when halleys age is equal to arthurs age,halleys age becomes 5 times of clarks present age.clarks age then is 8 times his fathers present age. sum of arthur & halleys age is 100 find clarks present age
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B is 20 miles east of A. D is 30 miles east of C. E is 10 miles north of D. C is 20 miles north of B. How far E is from A?
In a square, all the mid points are joined. The inner square is shaded.If the area of the square is A, what is the area of the shaded area?
Time and speed time and work boat and streams
In a digital circuit which was to implement (A B) + (A)XOR(B), the designer implements (A B) (A)XOR(B) What is the probability of error in it ?
From 5 different green balls, four different blue balls and three different red balls, how many combinations of balls can be chosen taking at least one green and one blue ball?
Find the total number of squares in 1/4 of chess board ?
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A Fraction has the denominator greater than its numerator by 4. But if you add 10 to the denominator, the value of the fraction would then become 1/8. What is the fraction. 1/5,3/7,1/3,2/6
WHAT IS THE NUMBER OF ZEROS AT THE END OF THE PRODUCT OF THE NUMBERS FROM 1 TO 100
A ridge formed over Pacific Ocean was because of the intersection of two volcanoes. But in history it was written that it was not due to those volcanoes. It proves a contradictory to form the view that history will be proved wrong in the future.Inference?
one grandfather has three grandchildren, two of their age difference is 3, eldest child age is 3 times youngest child’s age and eldest child’s age is two times of sum of other two children. What is the age of eldest child?