The radii of the two cones are in the ratio of 2 : 5 and their volumes are in the ratio of 3 : 5. What is the ratio of their heights? Optionsa) 4 : 11b) 15 : 4c) 11 : 15d) 13 : 11 Solution As per questionTwo cones are in the ratio of 2 […]
31 is related to 152 by certain logic. Following the same logic, 47 is related to 168. To which of the following is 66 related, following the same logic? (NOTE : Operations should be performed on the whole numbers, without breaking down the numbers into its constituent digits. E.g. 13 – Operations on 13 such as adding /deleting
Six numbers 21, 22, 23, 24, 25 and 26 are written on different faces of a dice. Three positions of this dice are shown in the figure. Find the number on the face opposite to 24. Optiona) 26b) 25c) 22d) 21 Solution Logic: Rule – If two dices have two common faces, the third face will be
Which of the following is the largest 5 – digit number divisible by 47? Optionsa) 98888b) 99969c) 10000d) 99999 Solution As per questionLargest 5 – digit number = 99999Divide this number by 47 99,999÷47 = 2127.65Quotient = 2127Multiply of the quotient by 472127×47 = 99,969Check if 99,969 is divisible by 4799,969÷47 = 2127 Ans: b) 99969
Which of the following is the largest 5 – digit number divisible by 47? Read More »
दिए गए आरेख का ध्यानपूर्वक अध्ययन करें और निम्नलिखित प्रश्न का उत्तर दें। विभिन्न खंडों में दी गई संख्याएं अलग-अलग पदों के लिए आवेदन करने वाले व्यक्तियों की संख्या को दर्शाती हैं। एक से अधिक पदों के लिए आवेदन करने वाले व्यक्तियों की कुल संख्या कितनी है? Teacher – अध्यापकEngineer – अभियंताAccountant – लेखाकार Optionsa)
What is the value of D, if A : C = B : D in the given table? A B C D 25 40 30 ? Optionsa) 42b) 45c) 48d) 56 Solution As per questionA : C = B : D$ \frac{A}{C} = \frac{B}{D}$$ \frac{25}{30} = \frac{40}{D}$25D = 1200D = 48 Ans: 48
What is the value of D, if A : C = B : D in the given table? Read More »
What will come in place of the question mark (?) in the following equation, if ‘+’ and ‘–’ are interchanged and ‘$ \times\ $ and $ \div\ $ ’ are interchanged?$ 4515 \times 5 – 431\div 3 + 821 = ? $ Optionsa) 1335b) 1775c) 1575d) 1375 Solution $ 4515 \times 5 – 431\div 3 +
What is the ratio of male research scholars in Mathematics to Statistics? Optionsa) 7 : 6b) 14 : 9c) 6 : 7d) 9 : 14 Solution As per questionRatio of male research scholars in Mathematics to StatisticsMathematics : Statistics18 – 4 : 12 – 314 : 9 Answer: 14:9
A bus travels 1/3 of distance initially at a speed of 40 km/h, the next 1/3 of the distance 50km/h, and the final 1/3 of the distance at 60 km/h. Find the average speed of the bus for the entire journey. (Rounded off to two decimal places) Optionsa) 48.65 km/hb) 46.85 km/hc) 54.13 km/hd) 51.43 km/h Solution Let the Total Distance
If $ a+ \frac1a$ = 12, then find the value of $ a^2+ \frac{1}{a^2}$ Optionsa) 142b) 140c) 146d) 144 Solution As per question$ a+ \frac1a$ = 12Square both side$ (a+ \frac1a)^2$ = (12)2$ a^2+ \frac{1}{a^2}+ 2 \times a \times \frac1a $ = 144$ a^2+ \frac{1}{a^2}+2 $ = 144$ a^2+ \frac{1}{a^2}$ = 144 – 2$ a^2+ \frac{1}{a^2}$ =