math 30.5

During Ramadan, the mosque committee planned to install new carpets. The main hall is 20 m long and 15 m wide. A stage area of 4 m × 3 m must remain uncovered for imam activities. Additionally, 1-meter wide aisles are left along both 20 m sides. The volunteers measured carefully, remembering that precision reflects sincerity, a value emphasized in Islam. How many square meters need to be carpeted?

• 276 m²

• 278 m²

• 280 m²

• 282 m²

A youth group is preparing zakat packages with 75 kg of dates. They reserve 12% for emergency distribution. Each family receives 2/3 kg. Reflecting on fairness, they want all calculations accurate to avoid disputes. How many families can receive full packages?

• 98

• 99

• 100

• 101

During a pesantren science week, students built a rectangular flower garden 12 m × 8 m. A square fountain of 3 m side occupies the center. They left a 1.5 m pathway around the fountain for easy access. They need to know the plantable area. Keeping in mind that caring for the environment is a form of worship, calculate the area available for planting flowers.

• 66 m²

• 67 m²

• 68 m²

• 69 m²

Ali is memorizing daily surahs: 15, 18, 20, 22, and 25 verses. Inspired by the Prophet ﷺ’s teaching that learning is worship, he wants to calculate the average number of verses memorized. How many verses on average?

• 20

• 21

• 22

• 23

The mosque plans to purchase 40 copies of Qur’an for study circles. Each copy costs 85,000 IDR. They get a 10% discount for bulk purchase. Reflecting on transparency and honesty, they calculate the total cost. How much will they spend?

• 3,060,000 IDR

• 3,040,000 IDR

• 3,050,000 IDR

• 3,100,000 IDR

During Eid, a charity team prepares gift packs of 2.5 kg rice each. They have 90 kg, reserving 10% for emergencies. Following the Sunnah, they distribute fairly. How many complete packages can they prepare?

• 32

• 33

• 34

• 35

Budi cycles from home to the mosque, 5 km away, at 10 km/h. After prayer, he returns at 6 km/h. He wants to know total travel time including a 15-minute break, keeping in mind punctuality in worship. Calculate total minutes spent.

• 75

• 80

• 85

• 90

In a geometry activity, students measure a circular pond with radius 4 m. They calculate the area to plant lilies, reflecting on the value of knowledge in Islam. What is the area of the pond?

• 16π m²

• 18π m²

• 20π m²

• 22π m²

During a community cleanup, volunteers walk around the rectangular courtyard 30 m × 20 m. They want to place markers every 2 m. Reflecting on planning as a form of responsible action, how many markers are needed along the perimeter?

• 50

• 52

• 55

• 60

Hasan bought 12 gift boxes for Ramadan, 45,000 IDR each. He gives a 5% donation from total cost to mosque. Calculate total donation amount.

• 27,000 IDR

• 26,000 IDR

• 25,000 IDR

• 24,000 IDR