The system of equations 3x + y  4 = 0 and 6x + 2y  8 = 0 has
In a rare coin collection, there is one gold coin for every three nongold coins. 10 more gold coins are added to the collection and the ratio of gold coins to nongold coins would be 1 : 2, Based on the information; the total number of coins in the collection now becomes.
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If 6x  10y = 10 and x / (x + y) = 5/7, then (x  y) = ?
If 2^{a} + 3^{b} = 17 and 2^{a + 2}  3^{b +1 }= 5, then
The graph of ax + by = c, dx + ey = f will be
I. parallel, if the system has no solution.
II. coincident, if the system has finite number of solutions.
III. intersecting. if the system has only one solution.
Which of the above statements are correct ?
If (x + y  8)/2 = (x + 2y  14)/3 = (3x + y  12)/11 then find the values of x and y, respectively.
If the number obtained on the interchanging the digits of twodigits number is 18 more than the original number and the sum of the digits is 8, then what is the original number ?
The solution of the equations (p/x) + (q/y) = m and (q/x) + (p/y) = n is
In a twodigit number, the digit in the unit's place is three times the digit in tenth's place. The sum of the digits is equal to 8. What is the number ?
If the digits of a twodigit number are interchanged , the number formed is greater than the the original number by 45. If the difference between the digits is 5, then what is the original number ?
The difference between a two digit number and the number obtained by interchanging the position of its digits is 36.What is the difference between the two digits of that number ?
A series of books was published at seven years interval. When the seventh book was issued, the sum of the publication year was 13,524. When was the first book published ?
There are two numbers such that the sum of twice the first number and thrice the second number is 100 and the sum of thrice the first number and twice the second number is 120. Which is the larger number ?
In a twodigit number, the digit at the unit's place is 1 less than twice the digit at the ten's place. If the digits at unit's and ten's place are interchanged, the difference between the new and the original number is less than the original number by 20. The original number is
A man ordered 4 pairs of black socks and some pairs of brown socks. The price of a black sock is double that of a brown pair. While preparing the bill the clerk interchanged the number of black and brown pairs by mistake which increased the bill by 50%. The ratio of the number of black and brown pairs of socks in the original order was :
314 videos170 docs185 tests

314 videos170 docs185 tests
