Lucie was asked by her teacher to subtract 4 from a number and to divide the result by 8. However, she subtracted 8 from that number and divided the result by 4 to get 46. If she had done it correctly, what answer would she have gotten?
Eleven times the area of a square is nine square meter less than four times the area of the second square and seven times its side exceeds the perimeter of other square by ^@3^@ meter.The difference in the sides of these squares is
If a sum of money grows to ^@\dfrac{ 256 }{ 196 }^@ times when invested for two years in a scheme where interest is compounded annually, how long will the same sum of money take to triple if invested at the same rate of interest in a scheme where interest is computed using the simple interest method?
The area of a trapezium is 208 cm2 and the length of one of the parallel sides is 20 cm and its height is 16 cm. Find the length of the other parallel side.
When ^@{ \Bigg ( \dfrac { -1 }{ 3 } \Bigg ) } ^ { -1 } ^@ is multiplied by ^@x^@, the product comes out to be ^@{ \Bigg ( \dfrac { 2 }{ 9 } \Bigg ) } ^ { -2 } ^@. Find the value of ^@x^@.
In a ^@3^@-digit number, the hundreds digit is ^@thrice^@ the tens digit while the units digit is ^@nine \space times^@ the tens digit. Also, the sum of its digits is ^@13^@. Find the number.
Diana sells her two cycles at the rate of ^@€^@^@8^@ hundreds each. On one cycle she gains ^@ 10 \% ^@ while on other cycle she incurs a loss of ^@ 10 \%. ^@ Find her total loss/gain in the whole transaction.
^@15000^@ blood donors were registered with a charitable hospital. The number of donors increased at the rate of ^@6\%^@ every six months. What is the time period at the end of which the total number of blood donors becomes ^@16854^@?
Coin A is flipped 3 times and coin B is flipped 5 times. What is the probability that the number of heads obtained from flipping the two coins is the same?
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