Related Questions

একজন চাকরিজীবীর আয় ও ব্যয়ের অনুপার ২০ঃ ১৫ হলে, তার মাসিক সঞ্চয় আয়ের শতকরা কত অংশ?
A ৩০%
B ১৫%
C ২০%
D ২৫%
একটি ট্রান্সফরমারের প্রাইমারি ও সেকেন্ডারি তারের ঘূর্ণনের অনুপাত 20ঃ 1 এবং সেকেন্ডারিতে 20 omega রোধ লাগানো আছে। যদি প্রাইমারিতে 220 V প্রয়োগ করা হয় তাহলে এর মধ্যে বিদ্যুৎ প্রবাহ হবে-
A 0.55 A
B 27.5 mA
C 27.5 A
D 5.5 mA
The ratio between the present ages of P and Q is 5 : 7 respectively. If the difference between Q's present age and P's age after 6 years is 2, what is the total of P's and Q's present ages?
A 48 years
B 52 years
C 56 years
D None of these
Ratio of present ages of Pankaj and Punit is 5 : 6 and the sum of their ages is 33 years. What will be the difference (in years) of their ages?
A 2
B 3
C 4
D 5
The present ages of three persons are in the ratio of 4: 7:9 Eight years ago, the sum of their ages was 56. what are their present ages in years?
A 8, 20, 28
B 16, 28, 36
C 20, 35 , 45
D 12, 21, 27
Present age of mother is 4 times the sum of the ages of her two daughters, After 5 years, mothers ages will be twice the sum of the ages of the two daughters, What is the present age of the mother?
A 25 years
B 30 years
C 35 years
D 40 years
The ages of A and B are in the ratio 6:5 and sum their ages is 44 years. What will be the ratio of their ages after 8 years?
A 8:7
B 7:6
C 9:8
D 3:4
The ages of A and B are in the ratio of 8 : 5. If the sum of their ages is 39 years, what will be the ratio of their ages after 9 years?
A 3 : 2
B 8 : 7
C 10 : 7
D 11 : 8
The present ages of three persons are in proportions 4:7:9. Eight years ago, the sum of their ages was 56. Find their present ages(in years).
A 8,20,28
B 16,28,36
C 20,35,45
D None of these
The ratio of the present ages of Aman and Ankit is 2 : 1 and the sum of their present ages is 72 years. What will be the Aman's age (in years) after 6 years?
A 30
B 48
C 52
D 54

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