Start learning 50% faster. Sign in now
Since the new average increases by 0.35 years, the difference in the sum of ages of the students who left and the new students should be: 70×0.35=24.5 years Option I: (38+19+29)−(15+21+27)=23 years So, option I cannot be the answer. Option II: (44+19+29)−(15+21+33)=23 years So, option II cannot be the answer. Option III: (30+19+29)−(15+21+20)=22 years So, option III cannot be the answer.
If 1 is added to each odd digit and 2 is subtracted from each even digit in the number 358716 and the new number thus formed is arranged in ascending or...
If all the letters of the word ‘’FINANCIAL’ are arranged in alphabetical order from the left end, then, the position of how many letters remain un...
How many pairs of digits are there in the number '632817284', which has as many digits between them in the number (both forward and backward) as in the ...
Each even digit in the number 926547 is replaced by the next higher digit and each odd digit is replaced by the previous lower digit and the digits obta...
Which of the following letters will be 8th letter from the left end if the letters at even positions are replaced by succeeding letter in the...
If the digits in the number 40723819 are arranged in descending order from left to right, what will be the resultant if the third digit from your left i...
If consonants of each word are replaced by their immediate succeeding letter, then how many letters are there between the first letter of the fourth wor...
If all the alphabets are rearranged within itself as they appear in the English dictionary in the word “DETERMINATION” then which of the following ...