Question
The current age of Derek is twice that of Eve. 7 years
from now, Derek's age will be 1.5 times the age of Fred at that time. If Eve is 5 years younger than Fred, determine the current age of Derek.Solution
Let the present age of Eve be āeā years. Thus, the present age of Derek = ā2eā years. Let the present age of Fred be āe + 5ā years. ATQ, (2e + 7) = 1.5 Ć (e + 5 + 7), Or, 2e + 7 = 1.5e + 18, Or, 2e ā 1.5e = 18 - 7, Or, e = 11, Therefore, 2e = 22. Therefore, the current age of Derek = 22 years.
What will be the code of āweā?
What is the code for ‘month’ in the code language?
Which of the following may be the code for āhope liveā ?
Select the option that is related to third number cluster in the same way second number cluster is related to first number cluster.
12 : 9 :: 13 : ?In a certain code, 'bg vd pl' means 'concentrated its centre', 'bg xd mn' means 'spins centre axis' and means 'with its angular'. Which digit stands fo...
In a certain code language, STRIKE is coded as 6 ā 82, and BOWLED is coded as 6 ā 61. How willĀ FANTASTIC be coded in that language?
Read the given statements and conclusions carefully. Assuming t sweet the infor sour ion given in the statements is true, even if it appears to be at v...
What is the code for āseveralĀ significantā?Ā Ā
If ENTRY is coded as 98462 and STEADY is coded as 749312, the how is NEATNESS written in that code?
In a certain code language, āMANNERSā is written as '52' and āGAMINGā is written as '37'. How will āSURPRISEā be written in that language?
Relevant for Exams:
