21. 7 सेमी त्रिज्या वाले गोले का आयतन ज्ञात कीजिए
    A. 1713.3 cm³
    B. 1347.3 cm³
    C. 1473.3 cm³
    D. 1437.3 cm³
    ✅ उत्तर: C. 1473.3 cm³
22. एक घनाभाकार डिब्बे की माप 15 cm × 12 cm × 5 cm है, इसका कुल पृष्ठीय क्षेत्रफल क्या होगा?
    A. 630 cm²
    B. 600 cm²
    C. 603 cm²
    D. 660 cm²
    ✅ उत्तर: A. 630 cm²
23. त्रिज्या 14 cm वाले गोले का पृष्ठीय क्षेत्रफल ज्ञात कीजिए
    A. 2664 cm²
    B. 2644 cm²
    C. 2446 cm²
    D. 2464 cm²
    ✅ उत्तर: D. 2464 cm²
24. शंकु के आधार की त्रिज्या 14 सेमी है और इसकी ऊँचाई 48 सेमी है। इसकी तिर्यक ऊँचाई ज्ञात कीजिए
    A. 5 cm
    B. 5000 cm
    C. 50 cm
    D. 500 cm
    ✅ उत्तर: C. 50 cm
25. एक थैले में 3 लाल और 5 काली गेंदें हैं। एक गेंद यादृच्छया निकाली जाती है। गेंद के लाल होने की प्रायिकता क्या है?
    A. 3/8
    B. 2/8
    C. 5/8
    D. 1
    ✅ उत्तर: A. 3/8

Read the passage given below carefully and answer the questions 26 to 30 that follow:

In March, the family sat down at the table and began to talk about the summer holiday. Where should they go this year? That was the question which had to be answered. Should they go to the sea-side, or to the country? Did they prefer fun on the farm to basking on a beach? The children soon settled that. With one voice they cried, “sea-side, please!”
“Let’s go somewhere where there is good swimming”, said Sally, who had just won her life-saving certificate.
“And good fishing,” said Alan, who had been given a smart rod for his birthday.
“What about mountain climbing?” Paul asked. He had been to Switzerland the year before with the Scout trip.
“Your mother and I just want to sit on a beach,” said father, “that is, if you don’t mind, of course.”
“Two deck-chairs for a fortnight for mother and father. Then everyone will be happy,” the children cried.

26. Why was a family meeting held at the table?
    A. To discuss about some quarrel concerned with the family.
    B. To inform the children about a function to be held after sometime.
    C. To plan an excursion for site seeing.
    D. To plan the programme for summer.
    ✅ उत्तर: D. To plan the programme for summer.
27. What was their decision regarding the summer holiday?
    A. To go to Switzerland where Paul had gone on Scout trip.
    B. To go to see countryside to enjoy fun on the farm.
    C. To go on a continental tour of Europe.
    D. To go to sea-side for enjoyment.
    ✅ उत्तर: D. To go to sea-side for enjoyment.
28. What was an alternate programme before the family?
    A. To go to their home village into the interior.
    B. To go to their relations in different places.
    C. To go to the country.
    D. To arrange vacation programme for the children.
    ✅ उत्तर: C. To go to the country.
29. How was the decision taken by the family?
    A. The programme was discussed by using the majority decision.
    B. Programme was decided by the children and okayed by parents.
    C. Mother suggested and it was okayed by the children.
    D. Father suggested an alternative programme and it was chosen by them unanimously.
    ✅ उत्तर: B. Programme was decided by the children and okayed by parents.
30. What was the idea of deckchairs for parents?
    A. Because the parents always preferred deck-chairs.
    B. Because children wanted their parents to witness their enjoyment on the seaside.
    C. Because their mother wanted as such.
    D. Because it was the desire of their father.
    ✅ उत्तर: B. Because children wanted their parents to witness their enjoyment on the seaside.