ক ও খ একটি কাজ ১২ দিনে করতে পারে। ক একা কাজটি ২০ দিনে করতে পারে। খ একা কাজটি কতদিনে করতে পারবে?
A. ২৫
B. ৩০
C. ৩৫
D. ৪০
ডাক জীবন বীমা, পূর্বাঞ্চল, ঢাকা,পিএলআই একাউন্টেন্টমানসিক দক্ষতা(IQ)গাণিতিক সমস্যাIQ-4 (Topic Practice)ডাক জীবন বীমা, পূর্বাঞ্চল, ঢাকা,পিএলআই একাউন্টেন্ট - ⚡ অনলাইন প্রশ্নব্যাংক দেখুন 💥
সঠিক উত্তরঃ
B.
৩০
Explanation:
Related Questions (Any University/Year)
- If x is positive integer and y > -2 , which of the following must be positive ?
- The cost of 4 pens is equal to the cost of 6 pencils. The cost of a CD is equal to the cost of 4 pencils and the cost of a book is equal to the cost of 6 pens. What is the ratio of the cost of a book to the cost of a CD?
- তিনটি সংখ্যার গড় হচ্ছে ৬ এবং চারটি সংখ্যার ( পূর্বের তিনটিসহ) গড় হচ্ছে ৮ । চতুর্থ সংখ্যাটির অর্ধেক কত.হবে?
- The difference between a number and its three-fifth is 50. what is the number?
- If an inspector rejects 0.08% reject of a product as defective, how many products will he examine in order to reject 2?
- There is 50% chance that Rafiq will go to a fast food restaurant for lunch and 50% chance that he will skip lunch. If he goes to a fast food restaurant there is 60% chance that he will take only a sandwich and nothing else. If he decides not to take a sandwich he will take a burger of a chicken pie. What is the probability that he will take a burger?
- If \( (x-1)^2 = 400 \) which of the following is the value of X-5?
- একটি কুকুর একটি খরগোশকে ধরার জন্য তাড়া করে। কুকুর যে সময়ে ৪ বার লাফ দেয়, খরগোশ সে সময় ৫ বার লাফ দেয়। কিন্তু খরগোশ ৪ লাফে যতদূর যায় কুকুর ৩ লাফে ততদূর যায়। কুকুর ও খরগোশের গতিবেগের অনুপাত কত?
- Samantha went shopping and bought one red bag and 15 black bags. The cost of the red bag was 3 times the average cost of a black bag. If she had spent a total of Taka x for the bags, what was the cost of the red bag (in terms of x)
- Long distance phone calls cost ten cents for the first minute plus four cents for each additional minute... Let m equal the total number of minutes.
- After working for a total of 4 hours at a temporary job, Shams was told that you had just completed 1/4 of the job. How long should it take you to finish the remaining part of the job?
- If 12 men can build a wall 180 m long in 54 days, how many days it will take to build a similar wall 160 m long, if 16 men working on it
- The price of sugar increases by 32%. A family reduces its consumption so that expenditure of the sugar is up by 10% only. If the total consumption of sugar before the price rise was 10 kg per month, then the consumption of sugar per month is approximately-
- Two motorists start from the same point at the same time... Find the rate of speed for each motorist.
- If 12 men can reap 120 acres of land in 36 days, how many acres of land can 54 men reap in 54 days?
- Of the following the closest approximation to V(5.98 x 601.5/15.79)
- The total age of A and B is 12 years more than the total age of B and C.C is how many years younger than A?
- A person spends 20 percent of his monthly salary for his son's education. In the coming month, he is expected to get an increment of TA. 170 and he plans to spend half of that increment also for his son's education would be TA. 645 . what is the present salary of that person?
- Out of their annual net income, a couple spent 25 percent for food, 13.5 percent for entertainment, 20 percent for housing, 8 percent for car expenses, 15 percent for clothing, and saved the rest. What was the ratio of the amount saved to the amount spent for entertainment?