Find the one which does not belong to that group ?
If w is an imaginary cube root of unity, find the value of (1+w-w^2)^7.
In how many different ways can the letters of the word 'OPTICAL' be arranged so that the vowels always come together?
There is a 10% discount on a dozen pairs of trousers marked at Rs. 8000. How many pair of trousers can be bought with Rs. 2400?
What is the least number of five digits that, when divided by 40, 60, and 75, leaves remainders of 31, 51, and 66 respectively?
The ratio of the efficiencies of P, Q, and R is 4 : 5 : 6. If they completed a job working together, find the fraction of the job done by P.
Each month, Renaldo earns a commission of 10.5% of his total sales for the month, plus a salary of $2,500. If Renaldo earns $3,025 in a certain month, what were his total sales?
A worker is paid at a rate of Rs. 10 per hour and ½ the rate for any hours worked over 7 hours in a day. If the consultant started working at 9:00 (A)M. and left work at 8:18 P.M with 30 minutes lunch break in between. How much will he get paid for that day?